21120276

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 50684480

約数和(自身を除く): 29564204

約数列:

[1, 2, 3, 4, 6, 12, 67, 109, 134, 201, 218, 241, 268, 327, 402, 436, 482, 654, 723, 804, 964, 1308, 1446, 2892, 7303, 14606, 16147, 21909, 26269, 29212, 32294, 43818, 48441, 52538, 64588, 78807, 87636, 96882, 105076, 157614, 193764, 315228, 1760023, 3520046, 5280069, 7040092, 10560138, 21120276]

約数ペア:

[(1, 21120276), (2, 10560138), (3, 7040092), (4, 5280069), (6, 3520046), (12, 1760023), (67, 315228), (109, 193764), (134, 157614), (201, 105076), (218, 96882), (241, 87636), (268, 78807), (327, 64588), (402, 52538), (436, 48441), (482, 43818), (654, 32294), (723, 29212), (804, 26269), (964, 21909), (1308, 16147), (1446, 14606), (2892, 7303)]