21890568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{569}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 62928000

約数和(自身を除く): 41037432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 229, 458, 569, 687, 916, 1138, 1374, 1603, 1707, 1832, 2276, 2748, 3206, 3414, 3983, 4552, 4809, 5496, 6412, 6828, 7966, 9618, 11949, 12824, 13656, 15932, 19236, 23898, 31864, 38472, 47796, 95592, 130301, 260602, 390903, 521204, 781806, 912107, 1042408, 1563612, 1824214, 2736321, 3127224, 3648428, 5472642, 7296856, 10945284, 21890568]

約数ペア:

[(1, 21890568), (2, 10945284), (3, 7296856), (4, 5472642), (6, 3648428), (7, 3127224), (8, 2736321), (12, 1824214), (14, 1563612), (21, 1042408), (24, 912107), (28, 781806), (42, 521204), (56, 390903), (84, 260602), (168, 130301), (229, 95592), (458, 47796), (569, 38472), (687, 31864), (916, 23898), (1138, 19236), (1374, 15932), (1603, 13656), (1707, 12824), (1832, 11949), (2276, 9618), (2748, 7966), (3206, 6828), (3414, 6412), (3983, 5496), (4552, 4809)]