21363410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 40737600

約数和(自身を除く): 19374190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 229, 458, 491, 982, 1145, 2290, 2455, 4351, 4910, 8702, 9329, 18658, 21755, 43510, 46645, 93290, 112439, 224878, 562195, 1124390, 2136341, 4272682, 10681705, 21363410]

約数ペア:

[(1, 21363410), (2, 10681705), (5, 4272682), (10, 2136341), (19, 1124390), (38, 562195), (95, 224878), (190, 112439), (229, 93290), (458, 46645), (491, 43510), (982, 21755), (1145, 18658), (2290, 9329), (2455, 8702), (4351, 4910)]