21570984

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2287}}^1$

素因数の和:2430

約数の個数: 48

約数和(自身を含む): 58893120

約数和(自身を除く): 37322136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2287, 2358, 3144, 4574, 4716, 6861, 9148, 9432, 13722, 18296, 20583, 27444, 41166, 54888, 82332, 164664, 299597, 599194, 898791, 1198388, 1797582, 2396776, 2696373, 3595164, 5392746, 7190328, 10785492, 21570984]

約数ペア:

[(1, 21570984), (2, 10785492), (3, 7190328), (4, 5392746), (6, 3595164), (8, 2696373), (9, 2396776), (12, 1797582), (18, 1198388), (24, 898791), (36, 599194), (72, 299597), (131, 164664), (262, 82332), (393, 54888), (524, 41166), (786, 27444), (1048, 20583), (1179, 18296), (1572, 13722), (2287, 9432), (2358, 9148), (3144, 6861), (4574, 4716)]