21497352

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 56548800

約数和(自身を除く): 35051448

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 67, 87, 116, 134, 174, 201, 232, 268, 348, 402, 461, 536, 696, 804, 922, 1383, 1608, 1844, 1943, 2766, 3688, 3886, 5532, 5829, 7772, 11064, 11658, 13369, 15544, 23316, 26738, 30887, 40107, 46632, 53476, 61774, 80214, 92661, 106952, 123548, 160428, 185322, 247096, 320856, 370644, 741288, 895723, 1791446, 2687169, 3582892, 5374338, 7165784, 10748676, 21497352]

約数ペア:

[(1, 21497352), (2, 10748676), (3, 7165784), (4, 5374338), (6, 3582892), (8, 2687169), (12, 1791446), (24, 895723), (29, 741288), (58, 370644), (67, 320856), (87, 247096), (116, 185322), (134, 160428), (174, 123548), (201, 106952), (232, 92661), (268, 80214), (348, 61774), (402, 53476), (461, 46632), (536, 40107), (696, 30887), (804, 26738), (922, 23316), (1383, 15544), (1608, 13369), (1844, 11658), (1943, 11064), (2766, 7772), (3688, 5829), (3886, 5532)]