21445670065

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1\times {\mathrm{593}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 26270244000

約数和(自身を除く): 4824573935

約数列:

[1, 5, 89, 181, 445, 449, 593, 905, 2245, 2965, 16109, 39961, 52777, 80545, 81269, 107333, 199805, 263885, 266257, 406345, 536665, 1331285, 7232941, 9552637, 23696873, 36164705, 47763185, 48192517, 118484365, 240962585, 4289134013, 21445670065]

約数ペア:

[(1, 21445670065), (5, 4289134013), (89, 240962585), (181, 118484365), (445, 48192517), (449, 47763185), (593, 36164705), (905, 23696873), (2245, 9552637), (2965, 7232941), (16109, 1331285), (39961, 536665), (52777, 406345), (80545, 266257), (81269, 263885), (107333, 199805)]