21911444

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 39450600

約数和(自身を除く): 17539156

約数列:

[1, 2, 4, 61, 89, 122, 178, 244, 356, 1009, 2018, 4036, 5429, 10858, 21716, 61549, 89801, 123098, 179602, 246196, 359204, 5477861, 10955722, 21911444]

約数ペア:

[(1, 21911444), (2, 10955722), (4, 5477861), (61, 359204), (89, 246196), (122, 179602), (178, 123098), (244, 89801), (356, 61549), (1009, 21716), (2018, 10858), (4036, 5429)]