21865506078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8291}}^1\times {\mathrm{33811}}^1$

素因数の和:42120

約数の個数: 32

約数和(自身を含む): 47102009472

約数和(自身を除く): 25236503394

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 8291, 16582, 24873, 33811, 49746, 67622, 101433, 107783, 202866, 215566, 323349, 439543, 646698, 879086, 1318629, 2637258, 280327001, 560654002, 840981003, 1681962006, 3644251013, 7288502026, 10932753039, 21865506078]

約数ペア:

[(1, 21865506078), (2, 10932753039), (3, 7288502026), (6, 3644251013), (13, 1681962006), (26, 840981003), (39, 560654002), (78, 280327001), (8291, 2637258), (16582, 1318629), (24873, 879086), (33811, 646698), (49746, 439543), (67622, 323349), (101433, 215566), (107783, 202866)]