21861151020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{76819}}^1$

素因数の和:76885

約数の個数: 192

約数和(自身を含む): 74337177600

約数和(自身を除く): 52476026580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 45, 51, 54, 60, 62, 68, 85, 90, 93, 102, 108, 124, 135, 153, 155, 170, 180, 186, 204, 255, 270, 279, 306, 310, 340, 372, 459, 465, 510, 527, 540, 558, 612, 620, 765, 837, 918, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1674, 1836, 1860, 2108, 2295, 2635, 2790, 3060, 3162, 3348, 4185, 4590, 4743, 5270, 5580, 6324, 7905, 8370, 9180, 9486, 10540, 14229, 15810, 16740, 18972, 23715, 28458, 31620, 47430, 56916, 71145, 76819, 94860, 142290, 153638, 230457, 284580, 307276, 384095, 460914, 691371, 768190, 921828, 1152285, 1305923, 1382742, 1536380, 2074113, 2304570, 2381389, 2611846, 2765484, 3456855, 3917769, 4148226, 4609140, 4762778, 5223692, 6529615, 6913710, 7144167, 7835538, 8296452, 9525556, 10370565, 11753307, 11906945, 13059230, 13827420, 14288334, 15671076, 19588845, 20741130, 21432501, 23506614, 23813890, 26118460, 28576668, 35259921, 35720835, 39177690, 40483613, 41482260, 42865002, 47013228, 47627780, 58766535, 64297503, 70519842, 71441670, 78355380, 80967226, 85730004, 107162505, 117533070, 121450839, 128595006, 141039684, 142883340, 161934452, 176299605, 202418065, 214325010, 235066140, 242901678, 257190012, 321487515, 352599210, 364352517, 404836130, 428650020, 485803356, 607254195, 642975030, 705198420, 728705034, 809672260, 1093057551, 1214508390, 1285950060, 1457410068, 1821762585, 2186115102, 2429016780, 3643525170, 4372230204, 5465287755, 7287050340, 10930575510, 21861151020]

約数ペア:

[(1, 21861151020), (2, 10930575510), (3, 7287050340), (4, 5465287755), (5, 4372230204), (6, 3643525170), (9, 2429016780), (10, 2186115102), (12, 1821762585), (15, 1457410068), (17, 1285950060), (18, 1214508390), (20, 1093057551), (27, 809672260), (30, 728705034), (31, 705198420), (34, 642975030), (36, 607254195), (45, 485803356), (51, 428650020), (54, 404836130), (60, 364352517), (62, 352599210), (68, 321487515), (85, 257190012), (90, 242901678), (93, 235066140), (102, 214325010), (108, 202418065), (124, 176299605), (135, 161934452), (153, 142883340), (155, 141039684), (170, 128595006), (180, 121450839), (186, 117533070), (204, 107162505), (255, 85730004), (270, 80967226), (279, 78355380), (306, 71441670), (310, 70519842), (340, 64297503), (372, 58766535), (459, 47627780), (465, 47013228), (510, 42865002), (527, 41482260), (540, 40483613), (558, 39177690), (612, 35720835), (620, 35259921), (765, 28576668), (837, 26118460), (918, 23813890), (930, 23506614), (1020, 21432501), (1054, 20741130), (1116, 19588845), (1395, 15671076), (1530, 14288334), (1581, 13827420), (1674, 13059230), (1836, 11906945), (1860, 11753307), (2108, 10370565), (2295, 9525556), (2635, 8296452), (2790, 7835538), (3060, 7144167), (3162, 6913710), (3348, 6529615), (4185, 5223692), (4590, 4762778), (4743, 4609140), (5270, 4148226), (5580, 3917769), (6324, 3456855), (7905, 2765484), (8370, 2611846), (9180, 2381389), (9486, 2304570), (10540, 2074113), (14229, 1536380), (15810, 1382742), (16740, 1305923), (18972, 1152285), (23715, 921828), (28458, 768190), (31620, 691371), (47430, 460914), (56916, 384095), (71145, 307276), (76819, 284580), (94860, 230457), (142290, 153638)]