21026122

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 36933120

約数和(自身を除く): 15906998

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 1178, 1373, 2746, 7657, 15314, 17849, 26087, 35698, 42563, 52174, 85126, 339131, 553319, 678262, 808697, 1106638, 1617394, 10513061, 21026122]

約数ペア:

[(1, 21026122), (2, 10513061), (13, 1617394), (19, 1106638), (26, 808697), (31, 678262), (38, 553319), (62, 339131), (247, 85126), (403, 52174), (494, 42563), (589, 35698), (806, 26087), (1178, 17849), (1373, 15314), (2746, 7657)]