21193230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 53264448

約数和(自身を除く): 32071218

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 61, 74, 111, 122, 183, 185, 222, 305, 313, 366, 370, 555, 610, 626, 915, 939, 1110, 1565, 1830, 1878, 2257, 3130, 4514, 4695, 6771, 9390, 11285, 11581, 13542, 19093, 22570, 23162, 33855, 34743, 38186, 57279, 57905, 67710, 69486, 95465, 114558, 115810, 173715, 190930, 286395, 347430, 572790, 706441, 1412882, 2119323, 3532205, 4238646, 7064410, 10596615, 21193230]

約数ペア:

[(1, 21193230), (2, 10596615), (3, 7064410), (5, 4238646), (6, 3532205), (10, 2119323), (15, 1412882), (30, 706441), (37, 572790), (61, 347430), (74, 286395), (111, 190930), (122, 173715), (183, 115810), (185, 114558), (222, 95465), (305, 69486), (313, 67710), (366, 57905), (370, 57279), (555, 38186), (610, 34743), (626, 33855), (915, 23162), (939, 22570), (1110, 19093), (1565, 13542), (1830, 11581), (1878, 11285), (2257, 9390), (3130, 6771), (4514, 4695)]