21928124

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{647}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 39644640

約数和(自身を除く): 17716516

約数列:

[1, 2, 4, 37, 74, 148, 229, 458, 647, 916, 1294, 2588, 8473, 16946, 23939, 33892, 47878, 95756, 148163, 296326, 592652, 5482031, 10964062, 21928124]

約数ペア:

[(1, 21928124), (2, 10964062), (4, 5482031), (37, 592652), (74, 296326), (148, 148163), (229, 95756), (458, 47878), (647, 33892), (916, 23939), (1294, 16946), (2588, 8473)]