21440208

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23509}}^1$

素因数の和:23539

約数の個数: 40

約数和(自身を含む): 58304800

約数和(自身を除く): 36864592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 23509, 47018, 70527, 94036, 141054, 188072, 282108, 376144, 446671, 564216, 893342, 1128432, 1340013, 1786684, 2680026, 3573368, 5360052, 7146736, 10720104, 21440208]

約数ペア:

[(1, 21440208), (2, 10720104), (3, 7146736), (4, 5360052), (6, 3573368), (8, 2680026), (12, 1786684), (16, 1340013), (19, 1128432), (24, 893342), (38, 564216), (48, 446671), (57, 376144), (76, 282108), (114, 188072), (152, 141054), (228, 94036), (304, 70527), (456, 47018), (912, 23509)]