21057607260

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{254873}}^1$

素因数の和:254914

約数の個数: 144

約数和(自身を含む): 70137246816

約数和(自身を除く): 49079639556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 306, 324, 340, 405, 459, 486, 510, 540, 612, 765, 810, 918, 972, 1020, 1215, 1377, 1530, 1620, 1836, 2295, 2430, 2754, 3060, 4131, 4590, 4860, 5508, 6885, 8262, 9180, 13770, 16524, 20655, 27540, 41310, 82620, 254873, 509746, 764619, 1019492, 1274365, 1529238, 2293857, 2548730, 3058476, 3823095, 4332841, 4587714, 5097460, 6881571, 7646190, 8665682, 9175428, 11469285, 12998523, 13763142, 15292380, 17331364, 20644713, 21664205, 22938570, 25997046, 27526284, 34407855, 38995569, 41289426, 43328410, 45877140, 51994092, 61934139, 64992615, 68815710, 77991138, 82578852, 86656820, 103223565, 116986707, 123868278, 129985230, 137631420, 155982276, 194977845, 206447130, 233973414, 247736556, 259970460, 309670695, 350960121, 389955690, 412894260, 467946828, 584933535, 619341390, 701920242, 779911380, 1052880363, 1169867070, 1238682780, 1403840484, 1754800605, 2105760726, 2339734140, 3509601210, 4211521452, 5264401815, 7019202420, 10528803630, 21057607260]

約数ペア:

[(1, 21057607260), (2, 10528803630), (3, 7019202420), (4, 5264401815), (5, 4211521452), (6, 3509601210), (9, 2339734140), (10, 2105760726), (12, 1754800605), (15, 1403840484), (17, 1238682780), (18, 1169867070), (20, 1052880363), (27, 779911380), (30, 701920242), (34, 619341390), (36, 584933535), (45, 467946828), (51, 412894260), (54, 389955690), (60, 350960121), (68, 309670695), (81, 259970460), (85, 247736556), (90, 233973414), (102, 206447130), (108, 194977845), (135, 155982276), (153, 137631420), (162, 129985230), (170, 123868278), (180, 116986707), (204, 103223565), (243, 86656820), (255, 82578852), (270, 77991138), (306, 68815710), (324, 64992615), (340, 61934139), (405, 51994092), (459, 45877140), (486, 43328410), (510, 41289426), (540, 38995569), (612, 34407855), (765, 27526284), (810, 25997046), (918, 22938570), (972, 21664205), (1020, 20644713), (1215, 17331364), (1377, 15292380), (1530, 13763142), (1620, 12998523), (1836, 11469285), (2295, 9175428), (2430, 8665682), (2754, 7646190), (3060, 6881571), (4131, 5097460), (4590, 4587714), (4860, 4332841), (5508, 3823095), (6885, 3058476), (8262, 2548730), (9180, 2293857), (13770, 1529238), (16524, 1274365), (20655, 1019492), (27540, 764619), (41310, 509746), (82620, 254873)]