21216392

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 41165400

約数和(自身を除く): 19949008

約数列:

[1, 2, 4, 8, 37, 74, 148, 229, 296, 313, 458, 626, 916, 1252, 1832, 2504, 8473, 11581, 16946, 23162, 33892, 46324, 67784, 71677, 92648, 143354, 286708, 573416, 2652049, 5304098, 10608196, 21216392]

約数ペア:

[(1, 21216392), (2, 10608196), (4, 5304098), (8, 2652049), (37, 573416), (74, 286708), (148, 143354), (229, 92648), (296, 71677), (313, 67784), (458, 46324), (626, 33892), (916, 23162), (1252, 16946), (1832, 11581), (2504, 8473)]