21000365558

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{2640227}}^1$

素因数の和:2640367

約数の個数: 16

約数和(自身を含む): 32601535344

約数和(自身を除く): 11601169786

約数列:

[1, 2, 41, 82, 97, 194, 3977, 7954, 2640227, 5280454, 108249307, 216498614, 256102019, 512204038, 10500182779, 21000365558]

約数ペア:

[(1, 21000365558), (2, 10500182779), (41, 512204038), (82, 256102019), (97, 216498614), (194, 108249307), (3977, 5280454), (7954, 2640227)]