21285243316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6830951}}^1$

素因数の和:6831015

約数の個数: 24

約数和(自身を含む): 40165997760

約数和(自身を除く): 18880754444

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6830951, 13661902, 27323804, 129788069, 259576138, 280068991, 519152276, 560137982, 1120275964, 5321310829, 10642621658, 21285243316]

約数ペア:

[(1, 21285243316), (2, 10642621658), (4, 5321310829), (19, 1120275964), (38, 560137982), (41, 519152276), (76, 280068991), (82, 259576138), (164, 129788069), (779, 27323804), (1558, 13661902), (3116, 6830951)]