21402364

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:933

約数の個数: 24

約数和(自身を含む): 38404800

約数和(自身を除く): 17002436

約数列:

[1, 2, 4, 79, 89, 158, 178, 316, 356, 761, 1522, 3044, 7031, 14062, 28124, 60119, 67729, 120238, 135458, 240476, 270916, 5350591, 10701182, 21402364]

約数ペア:

[(1, 21402364), (2, 10701182), (4, 5350591), (79, 270916), (89, 240476), (158, 135458), (178, 120238), (316, 67729), (356, 60119), (761, 28124), (1522, 14062), (3044, 7031)]