21983460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2459}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 61992000

約数和(自身を除く): 40008540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2235, 2459, 2980, 4470, 4918, 7377, 8940, 9836, 12295, 14754, 24590, 29508, 36885, 49180, 73770, 147540, 366391, 732782, 1099173, 1465564, 1831955, 2198346, 3663910, 4396692, 5495865, 7327820, 10991730, 21983460]

約数ペア:

[(1, 21983460), (2, 10991730), (3, 7327820), (4, 5495865), (5, 4396692), (6, 3663910), (10, 2198346), (12, 1831955), (15, 1465564), (20, 1099173), (30, 732782), (60, 366391), (149, 147540), (298, 73770), (447, 49180), (596, 36885), (745, 29508), (894, 24590), (1490, 14754), (1788, 12295), (2235, 9836), (2459, 8940), (2980, 7377), (4470, 4918)]