21942310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2767}}^1$

素因数の和:2848

約数の個数: 32

約数和(自身を含む): 43247232

約数和(自身を除く): 21304922

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 2767, 3965, 5534, 7930, 13835, 27670, 35971, 71942, 168787, 179855, 337574, 359710, 843935, 1687870, 2194231, 4388462, 10971155, 21942310]

約数ペア:

[(1, 21942310), (2, 10971155), (5, 4388462), (10, 2194231), (13, 1687870), (26, 843935), (61, 359710), (65, 337574), (122, 179855), (130, 168787), (305, 71942), (610, 35971), (793, 27670), (1586, 13835), (2767, 7930), (3965, 5534)]