21479092

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8537}}^1$

素因数の和:8595

約数の個数: 24

約数和(自身を含む): 40879944

約数和(自身を除く): 19400852

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8537, 17074, 34148, 145129, 290258, 315869, 580516, 631738, 1263476, 5369773, 10739546, 21479092]

約数ペア:

[(1, 21479092), (2, 10739546), (4, 5369773), (17, 1263476), (34, 631738), (37, 580516), (68, 315869), (74, 290258), (148, 145129), (629, 34148), (1258, 17074), (2516, 8537)]