21404058

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2003}}^1$

素因数の和:2158

約数の個数: 32

約数和(自身を含む): 46460736

約数和(自身を除く): 25056678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 137, 274, 411, 822, 1781, 2003, 3562, 4006, 5343, 6009, 10686, 12018, 26039, 52078, 78117, 156234, 274411, 548822, 823233, 1646466, 3567343, 7134686, 10702029, 21404058]

約数ペア:

[(1, 21404058), (2, 10702029), (3, 7134686), (6, 3567343), (13, 1646466), (26, 823233), (39, 548822), (78, 274411), (137, 156234), (274, 78117), (411, 52078), (822, 26039), (1781, 12018), (2003, 10686), (3562, 6009), (4006, 5343)]