21362627

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 26664960

約数和(自身を除く): 5302333

約数列:

[1, 11, 13, 31, 61, 79, 143, 341, 403, 671, 793, 869, 1027, 1891, 2449, 4433, 4819, 8723, 11297, 20801, 24583, 26939, 31837, 53009, 62647, 149389, 270413, 350207, 689117, 1643279, 1942057, 21362627]

約数ペア:

[(1, 21362627), (11, 1942057), (13, 1643279), (31, 689117), (61, 350207), (79, 270413), (143, 149389), (341, 62647), (403, 53009), (671, 31837), (793, 26939), (869, 24583), (1027, 20801), (1891, 11297), (2449, 8723), (4433, 4819)]