21036268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25163}}^1$

素因数の和:25197

約数の個数: 24

約数和(自身を含む): 42275520

約数和(自身を除く): 21239252

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25163, 50326, 100652, 276793, 478097, 553586, 956194, 1107172, 1912388, 5259067, 10518134, 21036268]

約数ペア:

[(1, 21036268), (2, 10518134), (4, 5259067), (11, 1912388), (19, 1107172), (22, 956194), (38, 553586), (44, 478097), (76, 276793), (209, 100652), (418, 50326), (836, 25163)]