21104397730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{20341}}^1$

素因数の和:20731

約数の個数: 64

約数和(自身を含む): 42813888768

約数和(自身を除く): 21709491038

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 347, 598, 694, 1495, 1735, 2990, 3470, 4511, 7981, 9022, 15962, 20341, 22555, 39905, 40682, 45110, 79810, 101705, 103753, 203410, 207506, 264433, 467843, 518765, 528866, 935686, 1037530, 1322165, 2339215, 2644330, 4678430, 6081959, 7058327, 12163918, 14116654, 30409795, 35291635, 60819590, 70583270, 91758251, 162341521, 183516502, 324683042, 458791255, 811707605, 917582510, 1623415210, 2110439773, 4220879546, 10552198865, 21104397730]

約数ペア:

[(1, 21104397730), (2, 10552198865), (5, 4220879546), (10, 2110439773), (13, 1623415210), (23, 917582510), (26, 811707605), (46, 458791255), (65, 324683042), (115, 183516502), (130, 162341521), (230, 91758251), (299, 70583270), (347, 60819590), (598, 35291635), (694, 30409795), (1495, 14116654), (1735, 12163918), (2990, 7058327), (3470, 6081959), (4511, 4678430), (7981, 2644330), (9022, 2339215), (15962, 1322165), (20341, 1037530), (22555, 935686), (39905, 528866), (40682, 518765), (45110, 467843), (79810, 264433), (101705, 207506), (103753, 203410)]