21052428

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 50695680

約数和(自身を除く): 29643252

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 163, 188, 229, 282, 326, 458, 489, 564, 652, 687, 916, 978, 1374, 1956, 2748, 7661, 10763, 15322, 21526, 22983, 30644, 32289, 37327, 43052, 45966, 64578, 74654, 91932, 111981, 129156, 149308, 223962, 447924, 1754369, 3508738, 5263107, 7017476, 10526214, 21052428]

約数ペア:

[(1, 21052428), (2, 10526214), (3, 7017476), (4, 5263107), (6, 3508738), (12, 1754369), (47, 447924), (94, 223962), (141, 149308), (163, 129156), (188, 111981), (229, 91932), (282, 74654), (326, 64578), (458, 45966), (489, 43052), (564, 37327), (652, 32289), (687, 30644), (916, 22983), (978, 21526), (1374, 15322), (1956, 10763), (2748, 7661)]