21578466

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39521}}^1$

素因数の和:39546

約数の個数: 32

約数和(自身を含む): 53117568

約数和(自身を除く): 31539102

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 39521, 79042, 118563, 237126, 276647, 513773, 553294, 829941, 1027546, 1541319, 1659882, 3082638, 3596411, 7192822, 10789233, 21578466]

約数ペア:

[(1, 21578466), (2, 10789233), (3, 7192822), (6, 3596411), (7, 3082638), (13, 1659882), (14, 1541319), (21, 1027546), (26, 829941), (39, 553294), (42, 513773), (78, 276647), (91, 237126), (182, 118563), (273, 79042), (546, 39521)]