21859935

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 36191232

約数和(自身を除く): 14331297

約数列:

[1, 3, 5, 15, 47, 101, 141, 235, 303, 307, 505, 705, 921, 1515, 1535, 4605, 4747, 14241, 14429, 23735, 31007, 43287, 71205, 72145, 93021, 155035, 216435, 465105, 1457329, 4371987, 7286645, 21859935]

約数ペア:

[(1, 21859935), (3, 7286645), (5, 4371987), (15, 1457329), (47, 465105), (101, 216435), (141, 155035), (235, 93021), (303, 72145), (307, 71205), (505, 43287), (705, 31007), (921, 23735), (1515, 14429), (1535, 14241), (4605, 4747)]