21302428

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44753}}^1$

素因数の和:44781

約数の個数: 24

約数和(自身を含む): 45112032

約数和(自身を除く): 23809604

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44753, 89506, 179012, 313271, 626542, 760801, 1253084, 1521602, 3043204, 5325607, 10651214, 21302428]

約数ペア:

[(1, 21302428), (2, 10651214), (4, 5325607), (7, 3043204), (14, 1521602), (17, 1253084), (28, 760801), (34, 626542), (68, 313271), (119, 179012), (238, 89506), (476, 44753)]