21662584

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2689}}^1$

素因数の和:2767

約数の個数: 32

約数和(自身を含む): 43578000

約数和(自身を除く): 21915416

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 1007, 2014, 2689, 4028, 5378, 8056, 10756, 21512, 51091, 102182, 142517, 204364, 285034, 408728, 570068, 1140136, 2707823, 5415646, 10831292, 21662584]

約数ペア:

[(1, 21662584), (2, 10831292), (4, 5415646), (8, 2707823), (19, 1140136), (38, 570068), (53, 408728), (76, 285034), (106, 204364), (152, 142517), (212, 102182), (424, 51091), (1007, 21512), (2014, 10756), (2689, 8056), (4028, 5378)]