21232376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6521}}^1$

素因数の和:6575

約数の個数: 32

約数和(自身を含む): 44610480

約数和(自身を除く): 23378104

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6521, 13042, 26084, 52168, 71731, 143462, 241277, 286924, 482554, 573848, 965108, 1930216, 2654047, 5308094, 10616188, 21232376]

約数ペア:

[(1, 21232376), (2, 10616188), (4, 5308094), (8, 2654047), (11, 1930216), (22, 965108), (37, 573848), (44, 482554), (74, 286924), (88, 241277), (148, 143462), (296, 71731), (407, 52168), (814, 26084), (1628, 13042), (3256, 6521)]