21764016

素因数分解:

$2^4\times 3^2\times {\mathrm{359}}^1\times {\mathrm{421}}^1$

素因数の和:794

約数の個数: 60

約数和(自身を含む): 61223760

約数和(自身を除く): 39459744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 359, 421, 718, 842, 1077, 1263, 1436, 1684, 2154, 2526, 2872, 3231, 3368, 3789, 4308, 5052, 5744, 6462, 6736, 7578, 8616, 10104, 12924, 15156, 17232, 20208, 25848, 30312, 51696, 60624, 151139, 302278, 453417, 604556, 906834, 1209112, 1360251, 1813668, 2418224, 2720502, 3627336, 5441004, 7254672, 10882008, 21764016]

約数ペア:

[(1, 21764016), (2, 10882008), (3, 7254672), (4, 5441004), (6, 3627336), (8, 2720502), (9, 2418224), (12, 1813668), (16, 1360251), (18, 1209112), (24, 906834), (36, 604556), (48, 453417), (72, 302278), (144, 151139), (359, 60624), (421, 51696), (718, 30312), (842, 25848), (1077, 20208), (1263, 17232), (1436, 15156), (1684, 12924), (2154, 10104), (2526, 8616), (2872, 7578), (3231, 6736), (3368, 6462), (3789, 5744), (4308, 5052)]