21914486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 38188800

約数和(自身を除く): 16274314

約数列:

[1, 2, 11, 19, 22, 38, 103, 206, 209, 418, 509, 1018, 1133, 1957, 2266, 3914, 5599, 9671, 11198, 19342, 21527, 43054, 52427, 104854, 106381, 212762, 576697, 996113, 1153394, 1992226, 10957243, 21914486]

約数ペア:

[(1, 21914486), (2, 10957243), (11, 1992226), (19, 1153394), (22, 996113), (38, 576697), (103, 212762), (206, 106381), (209, 104854), (418, 52427), (509, 43054), (1018, 21527), (1133, 19342), (1957, 11198), (2266, 9671), (3914, 5599)]