21402388

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44963}}^1$

素因数の和:44991

約数の個数: 24

約数和(自身を含む): 45323712

約数和(自身を除く): 23921324

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44963, 89926, 179852, 314741, 629482, 764371, 1258964, 1528742, 3057484, 5350597, 10701194, 21402388]

約数ペア:

[(1, 21402388), (2, 10701194), (4, 5350597), (7, 3057484), (14, 1528742), (17, 1258964), (28, 764371), (34, 629482), (68, 314741), (119, 179852), (238, 89926), (476, 44963)]