21461032

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{521}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 42595200

約数和(自身を除く): 21134168

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 271, 521, 542, 1042, 1084, 2084, 2168, 4168, 5149, 9899, 10298, 19798, 20596, 39596, 41192, 79192, 141191, 282382, 564764, 1129528, 2682629, 5365258, 10730516, 21461032]

約数ペア:

[(1, 21461032), (2, 10730516), (4, 5365258), (8, 2682629), (19, 1129528), (38, 564764), (76, 282382), (152, 141191), (271, 79192), (521, 41192), (542, 39596), (1042, 20596), (1084, 19798), (2084, 10298), (2168, 9899), (4168, 5149)]