21952206

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 49027680

約数和(自身を除く): 27075474

約数列:

[1, 2, 3, 6, 9, 18, 71, 89, 142, 178, 193, 213, 267, 386, 426, 534, 579, 639, 801, 1158, 1278, 1602, 1737, 3474, 6319, 12638, 13703, 17177, 18957, 27406, 34354, 37914, 41109, 51531, 56871, 82218, 103062, 113742, 123327, 154593, 246654, 309186, 1219567, 2439134, 3658701, 7317402, 10976103, 21952206]

約数ペア:

[(1, 21952206), (2, 10976103), (3, 7317402), (6, 3658701), (9, 2439134), (18, 1219567), (71, 309186), (89, 246654), (142, 154593), (178, 123327), (193, 113742), (213, 103062), (267, 82218), (386, 56871), (426, 51531), (534, 41109), (579, 37914), (639, 34354), (801, 27406), (1158, 18957), (1278, 17177), (1602, 13703), (1737, 12638), (3474, 6319)]