21502424

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{853}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 42426720

約数和(自身を除く): 20924296

約数列:

[1, 2, 4, 8, 23, 46, 92, 137, 184, 274, 548, 853, 1096, 1706, 3151, 3412, 6302, 6824, 12604, 19619, 25208, 39238, 78476, 116861, 156952, 233722, 467444, 934888, 2687803, 5375606, 10751212, 21502424]

約数ペア:

[(1, 21502424), (2, 10751212), (4, 5375606), (8, 2687803), (23, 934888), (46, 467444), (92, 233722), (137, 156952), (184, 116861), (274, 78476), (548, 39238), (853, 25208), (1096, 19619), (1706, 12604), (3151, 6824), (3412, 6302)]