21623756

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70207}}^1$

素因数の和:70229

約数の個数: 24

約数和(自身を含む): 47179776

約数和(自身を除く): 25556020

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70207, 140414, 280828, 491449, 772277, 982898, 1544554, 1965796, 3089108, 5405939, 10811878, 21623756]

約数ペア:

[(1, 21623756), (2, 10811878), (4, 5405939), (7, 3089108), (11, 1965796), (14, 1544554), (22, 982898), (28, 772277), (44, 491449), (77, 280828), (154, 140414), (308, 70207)]