21242724

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1031}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 53053056

約数和(自身を除く): 31810332

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 101, 102, 202, 204, 303, 404, 606, 1031, 1212, 1717, 2062, 3093, 3434, 4124, 5151, 6186, 6868, 10302, 12372, 17527, 20604, 35054, 52581, 70108, 104131, 105162, 208262, 210324, 312393, 416524, 624786, 1249572, 1770227, 3540454, 5310681, 7080908, 10621362, 21242724]

約数ペア:

[(1, 21242724), (2, 10621362), (3, 7080908), (4, 5310681), (6, 3540454), (12, 1770227), (17, 1249572), (34, 624786), (51, 416524), (68, 312393), (101, 210324), (102, 208262), (202, 105162), (204, 104131), (303, 70108), (404, 52581), (606, 35054), (1031, 20604), (1212, 17527), (1717, 12372), (2062, 10302), (3093, 6868), (3434, 6186), (4124, 5151)]