21000918156

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{919}}^1\times {\mathrm{46447}}^1$

素因数の和:47414

約数の個数: 48

約数和(自身を含む): 50253020160

約数和(自身を除く): 29252102004

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 919, 1838, 2757, 3676, 5514, 11028, 37679, 46447, 75358, 92894, 113037, 139341, 150716, 185788, 226074, 278682, 452148, 557364, 1904327, 3808654, 5712981, 7617308, 11425962, 22851924, 42684793, 85369586, 128054379, 170739172, 256108758, 512217516, 1750076513, 3500153026, 5250229539, 7000306052, 10500459078, 21000918156]

約数ペア:

[(1, 21000918156), (2, 10500459078), (3, 7000306052), (4, 5250229539), (6, 3500153026), (12, 1750076513), (41, 512217516), (82, 256108758), (123, 170739172), (164, 128054379), (246, 85369586), (492, 42684793), (919, 22851924), (1838, 11425962), (2757, 7617308), (3676, 5712981), (5514, 3808654), (11028, 1904327), (37679, 557364), (46447, 452148), (75358, 278682), (92894, 226074), (113037, 185788), (139341, 150716)]