21886948

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 39453624

約数和(自身を除く): 17566676

約数列:

[1, 2, 4, 41, 82, 164, 317, 421, 634, 842, 1268, 1684, 12997, 17261, 25994, 34522, 51988, 69044, 133457, 266914, 533828, 5471737, 10943474, 21886948]

約数ペア:

[(1, 21886948), (2, 10943474), (4, 5471737), (41, 533828), (82, 266914), (164, 133457), (317, 69044), (421, 51988), (634, 34522), (842, 25994), (1268, 17261), (1684, 12997)]