21847948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2791}}^1$

素因数の和:2917

約数の個数: 24

約数和(自身を含む): 40651520

約数和(自身を除く): 18803572

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 2791, 3914, 5582, 7828, 11164, 53029, 106058, 212116, 287473, 574946, 1149892, 5461987, 10923974, 21847948]

約数ペア:

[(1, 21847948), (2, 10923974), (4, 5461987), (19, 1149892), (38, 574946), (76, 287473), (103, 212116), (206, 106058), (412, 53029), (1957, 11164), (2791, 7828), (3914, 5582)]