21622190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3671}}^1$

素因数の和:3728

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 20679250

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 3671, 5890, 7342, 18355, 36710, 69749, 113801, 139498, 227602, 348745, 569005, 697490, 1138010, 2162219, 4324438, 10811095, 21622190]

約数ペア:

[(1, 21622190), (2, 10811095), (5, 4324438), (10, 2162219), (19, 1138010), (31, 697490), (38, 569005), (62, 348745), (95, 227602), (155, 139498), (190, 113801), (310, 69749), (589, 36710), (1178, 18355), (2945, 7342), (3671, 5890)]