21725262

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 51040080

約数和(自身を除く): 29314818

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 227, 234, 409, 454, 681, 818, 1227, 1362, 2043, 2454, 2951, 3681, 4086, 5317, 5902, 7362, 8853, 10634, 15951, 17706, 26559, 31902, 47853, 53118, 92843, 95706, 185686, 278529, 557058, 835587, 1206959, 1671174, 2413918, 3620877, 7241754, 10862631, 21725262]

約数ペア:

[(1, 21725262), (2, 10862631), (3, 7241754), (6, 3620877), (9, 2413918), (13, 1671174), (18, 1206959), (26, 835587), (39, 557058), (78, 278529), (117, 185686), (227, 95706), (234, 92843), (409, 53118), (454, 47853), (681, 31902), (818, 26559), (1227, 17706), (1362, 15951), (2043, 10634), (2454, 8853), (2951, 7362), (3681, 5902), (4086, 5317)]