21153758110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1409311}}^1$

素因数の和:1409416

約数の個数: 32

約数和(自身を含む): 40588185600

約数和(自身を除く): 19434427490

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1501, 3002, 7505, 15010, 1409311, 2818622, 7046555, 14093110, 26776909, 53553818, 111335569, 133884545, 222671138, 267769090, 556677845, 1113355690, 2115375811, 4230751622, 10576879055, 21153758110]

約数ペア:

[(1, 21153758110), (2, 10576879055), (5, 4230751622), (10, 2115375811), (19, 1113355690), (38, 556677845), (79, 267769090), (95, 222671138), (158, 133884545), (190, 111335569), (395, 53553818), (790, 26776909), (1501, 14093110), (3002, 7046555), (7505, 2818622), (15010, 1409311)]