21611490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31321}}^1$

素因数の和:31354

約数の個数: 32

約数和(自身を含む): 54124416

約数和(自身を除く): 32512926

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31321, 62642, 93963, 156605, 187926, 313210, 469815, 720383, 939630, 1440766, 2161149, 3601915, 4322298, 7203830, 10805745, 21611490]

約数ペア:

[(1, 21611490), (2, 10805745), (3, 7203830), (5, 4322298), (6, 3601915), (10, 2161149), (15, 1440766), (23, 939630), (30, 720383), (46, 469815), (69, 313210), (115, 187926), (138, 156605), (230, 93963), (345, 62642), (690, 31321)]