21628724005

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3361}}^1\times {\mathrm{9677}}^1$

素因数の和:13069

約数の個数: 32

約数和(自身を含む): 31235938560

約数和(自身を除く): 9607214555

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 3361, 9677, 16805, 23527, 48385, 63859, 67739, 117635, 183863, 319295, 338695, 447013, 919315, 1287041, 2235065, 6435205, 32524397, 162621985, 227670779, 617963543, 1138353895, 3089817715, 4325744801, 21628724005]

約数ペア:

[(1, 21628724005), (5, 4325744801), (7, 3089817715), (19, 1138353895), (35, 617963543), (95, 227670779), (133, 162621985), (665, 32524397), (3361, 6435205), (9677, 2235065), (16805, 1287041), (23527, 919315), (48385, 447013), (63859, 338695), (67739, 319295), (117635, 183863)]