21699660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8821}}^1$

素因数の和:8874

約数の個数: 48

約数和(自身を含む): 62248032

約数和(自身を除く): 40548372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8821, 17642, 26463, 35284, 44105, 52926, 88210, 105852, 132315, 176420, 264630, 361661, 529260, 723322, 1084983, 1446644, 1808305, 2169966, 3616610, 4339932, 5424915, 7233220, 10849830, 21699660]

約数ペア:

[(1, 21699660), (2, 10849830), (3, 7233220), (4, 5424915), (5, 4339932), (6, 3616610), (10, 2169966), (12, 1808305), (15, 1446644), (20, 1084983), (30, 723322), (41, 529260), (60, 361661), (82, 264630), (123, 176420), (164, 132315), (205, 105852), (246, 88210), (410, 52926), (492, 44105), (615, 35284), (820, 26463), (1230, 17642), (2460, 8821)]