21991854

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{509}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 46512000

約数和(自身を除く): 24520146

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 379, 509, 758, 1018, 1137, 1527, 2274, 3054, 7201, 9671, 14402, 19342, 21603, 29013, 43206, 58026, 192911, 385822, 578733, 1157466, 3665309, 7330618, 10995927, 21991854]

約数ペア:

[(1, 21991854), (2, 10995927), (3, 7330618), (6, 3665309), (19, 1157466), (38, 578733), (57, 385822), (114, 192911), (379, 58026), (509, 43206), (758, 29013), (1018, 21603), (1137, 19342), (1527, 14402), (2274, 9671), (3054, 7201)]