21154278180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1\times {\mathrm{1481}}^1$

素因数の和:2050

約数の個数: 192

約数和(自身を含む): 68836884480

約数和(自身を除く): 47682606300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 479, 497, 710, 852, 958, 994, 1065, 1420, 1437, 1481, 1491, 1916, 1988, 2130, 2395, 2485, 2874, 2962, 2982, 3353, 4260, 4443, 4790, 4970, 5748, 5924, 5964, 6706, 7185, 7405, 7455, 8886, 9580, 9940, 10059, 10367, 13412, 14370, 14810, 14910, 16765, 17772, 20118, 20734, 22215, 28740, 29620, 29820, 31101, 33530, 34009, 40236, 41468, 44430, 50295, 51835, 62202, 67060, 68018, 88860, 100590, 102027, 103670, 105151, 124404, 136036, 155505, 170045, 201180, 204054, 207340, 210302, 238063, 311010, 315453, 340090, 408108, 420604, 476126, 510135, 525755, 622020, 630906, 680180, 709399, 714189, 736057, 952252, 1020270, 1051510, 1190315, 1261812, 1418798, 1428378, 1472114, 1577265, 2040540, 2103020, 2128197, 2208171, 2380630, 2837596, 2856756, 2944228, 3154530, 3546995, 3570945, 3680285, 4256394, 4416342, 4761260, 4965793, 6309060, 7093990, 7141890, 7360570, 8512788, 8832684, 9931586, 10640985, 11040855, 14187980, 14283780, 14721140, 14897379, 19863172, 21281970, 22081710, 24828965, 29794758, 42563940, 44163420, 49657930, 50367329, 59589516, 74486895, 99315860, 100734658, 148973790, 151101987, 201469316, 251836645, 297947580, 302203974, 352571303, 503673290, 604407948, 705142606, 755509935, 1007346580, 1057713909, 1410285212, 1511019870, 1762856515, 2115427818, 3022039740, 3525713030, 4230855636, 5288569545, 7051426060, 10577139090, 21154278180]

約数ペア:

[(1, 21154278180), (2, 10577139090), (3, 7051426060), (4, 5288569545), (5, 4230855636), (6, 3525713030), (7, 3022039740), (10, 2115427818), (12, 1762856515), (14, 1511019870), (15, 1410285212), (20, 1057713909), (21, 1007346580), (28, 755509935), (30, 705142606), (35, 604407948), (42, 503673290), (60, 352571303), (70, 302203974), (71, 297947580), (84, 251836645), (105, 201469316), (140, 151101987), (142, 148973790), (210, 100734658), (213, 99315860), (284, 74486895), (355, 59589516), (420, 50367329), (426, 49657930), (479, 44163420), (497, 42563940), (710, 29794758), (852, 24828965), (958, 22081710), (994, 21281970), (1065, 19863172), (1420, 14897379), (1437, 14721140), (1481, 14283780), (1491, 14187980), (1916, 11040855), (1988, 10640985), (2130, 9931586), (2395, 8832684), (2485, 8512788), (2874, 7360570), (2962, 7141890), (2982, 7093990), (3353, 6309060), (4260, 4965793), (4443, 4761260), (4790, 4416342), (4970, 4256394), (5748, 3680285), (5924, 3570945), (5964, 3546995), (6706, 3154530), (7185, 2944228), (7405, 2856756), (7455, 2837596), (8886, 2380630), (9580, 2208171), (9940, 2128197), (10059, 2103020), (10367, 2040540), (13412, 1577265), (14370, 1472114), (14810, 1428378), (14910, 1418798), (16765, 1261812), (17772, 1190315), (20118, 1051510), (20734, 1020270), (22215, 952252), (28740, 736057), (29620, 714189), (29820, 709399), (31101, 680180), (33530, 630906), (34009, 622020), (40236, 525755), (41468, 510135), (44430, 476126), (50295, 420604), (51835, 408108), (62202, 340090), (67060, 315453), (68018, 311010), (88860, 238063), (100590, 210302), (102027, 207340), (103670, 204054), (105151, 201180), (124404, 170045), (136036, 155505)]