21660612

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 51996672

約数和(自身を除く): 30336060

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 127, 183, 233, 244, 254, 366, 381, 466, 508, 699, 732, 762, 932, 1398, 1524, 2796, 7747, 14213, 15494, 23241, 28426, 29591, 30988, 42639, 46482, 56852, 59182, 85278, 88773, 92964, 118364, 170556, 177546, 355092, 1805051, 3610102, 5415153, 7220204, 10830306, 21660612]

約数ペア:

[(1, 21660612), (2, 10830306), (3, 7220204), (4, 5415153), (6, 3610102), (12, 1805051), (61, 355092), (122, 177546), (127, 170556), (183, 118364), (233, 92964), (244, 88773), (254, 85278), (366, 59182), (381, 56852), (466, 46482), (508, 42639), (699, 30988), (732, 29591), (762, 28426), (932, 23241), (1398, 15494), (1524, 14213), (2796, 7747)]