21552316

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{971}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 39191040

約数和(自身を除く): 17638724

約数列:

[1, 2, 4, 31, 62, 124, 179, 358, 716, 971, 1942, 3884, 5549, 11098, 22196, 30101, 60202, 120404, 173809, 347618, 695236, 5388079, 10776158, 21552316]

約数ペア:

[(1, 21552316), (2, 10776158), (4, 5388079), (31, 695236), (62, 347618), (124, 173809), (179, 120404), (358, 60202), (716, 30101), (971, 22196), (1942, 11098), (3884, 5549)]