21734630

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 19089370

約数列:

[1, 2, 5, 10, 29, 58, 145, 149, 290, 298, 503, 745, 1006, 1490, 2515, 4321, 5030, 8642, 14587, 21605, 29174, 43210, 72935, 74947, 145870, 149894, 374735, 749470, 2173463, 4346926, 10867315, 21734630]

約数ペア:

[(1, 21734630), (2, 10867315), (5, 4346926), (10, 2173463), (29, 749470), (58, 374735), (145, 149894), (149, 145870), (290, 74947), (298, 72935), (503, 43210), (745, 29174), (1006, 21605), (1490, 14587), (2515, 8642), (4321, 5030)]