21485644920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{46957}}^1$

素因数の和:47046

約数の個数: 192

約数和(自身を含む): 73840515840

約数和(自身を除く): 52354870920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 41, 45, 60, 62, 72, 82, 90, 93, 120, 123, 124, 155, 164, 180, 186, 205, 246, 248, 279, 310, 328, 360, 369, 372, 410, 465, 492, 558, 615, 620, 738, 744, 820, 930, 984, 1116, 1230, 1240, 1271, 1395, 1476, 1640, 1845, 1860, 2232, 2460, 2542, 2790, 2952, 3690, 3720, 3813, 4920, 5084, 5580, 6355, 7380, 7626, 10168, 11160, 11439, 12710, 14760, 15252, 19065, 22878, 25420, 30504, 38130, 45756, 46957, 50840, 57195, 76260, 91512, 93914, 114390, 140871, 152520, 187828, 228780, 234785, 281742, 375656, 422613, 457560, 469570, 563484, 704355, 845226, 939140, 1126968, 1408710, 1455667, 1690452, 1878280, 1925237, 2113065, 2817420, 2911334, 3380904, 3850474, 4226130, 4367001, 5634840, 5775711, 5822668, 7278335, 7700948, 8452260, 8734002, 9626185, 11551422, 11645336, 13101003, 14556670, 15401896, 16904520, 17327133, 17468004, 19252370, 21835005, 23102844, 26202006, 28878555, 29113340, 34654266, 34936008, 38504740, 43670010, 46205688, 52404012, 57757110, 58226680, 59682347, 65505015, 69308532, 77009480, 86635665, 87340020, 104808024, 115514220, 119364694, 131010030, 138617064, 173271330, 174680040, 179047041, 231028440, 238729388, 262020060, 298411735, 346542660, 358094082, 477458776, 524040120, 537141123, 596823470, 693085320, 716188164, 895235205, 1074282246, 1193646940, 1432376328, 1790470410, 2148564492, 2387293880, 2685705615, 3580940820, 4297128984, 5371411230, 7161881640, 10742822460, 21485644920]

約数ペア:

[(1, 21485644920), (2, 10742822460), (3, 7161881640), (4, 5371411230), (5, 4297128984), (6, 3580940820), (8, 2685705615), (9, 2387293880), (10, 2148564492), (12, 1790470410), (15, 1432376328), (18, 1193646940), (20, 1074282246), (24, 895235205), (30, 716188164), (31, 693085320), (36, 596823470), (40, 537141123), (41, 524040120), (45, 477458776), (60, 358094082), (62, 346542660), (72, 298411735), (82, 262020060), (90, 238729388), (93, 231028440), (120, 179047041), (123, 174680040), (124, 173271330), (155, 138617064), (164, 131010030), (180, 119364694), (186, 115514220), (205, 104808024), (246, 87340020), (248, 86635665), (279, 77009480), (310, 69308532), (328, 65505015), (360, 59682347), (369, 58226680), (372, 57757110), (410, 52404012), (465, 46205688), (492, 43670010), (558, 38504740), (615, 34936008), (620, 34654266), (738, 29113340), (744, 28878555), (820, 26202006), (930, 23102844), (984, 21835005), (1116, 19252370), (1230, 17468004), (1240, 17327133), (1271, 16904520), (1395, 15401896), (1476, 14556670), (1640, 13101003), (1845, 11645336), (1860, 11551422), (2232, 9626185), (2460, 8734002), (2542, 8452260), (2790, 7700948), (2952, 7278335), (3690, 5822668), (3720, 5775711), (3813, 5634840), (4920, 4367001), (5084, 4226130), (5580, 3850474), (6355, 3380904), (7380, 2911334), (7626, 2817420), (10168, 2113065), (11160, 1925237), (11439, 1878280), (12710, 1690452), (14760, 1455667), (15252, 1408710), (19065, 1126968), (22878, 939140), (25420, 845226), (30504, 704355), (38130, 563484), (45756, 469570), (46957, 457560), (50840, 422613), (57195, 375656), (76260, 281742), (91512, 234785), (93914, 228780), (114390, 187828), (140871, 152520)]