21167226

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 47272680

約数和(自身を除く): 26105454

約数列:

[1, 2, 3, 6, 9, 18, 73, 89, 146, 178, 181, 219, 267, 362, 438, 534, 543, 657, 801, 1086, 1314, 1602, 1629, 3258, 6497, 12994, 13213, 16109, 19491, 26426, 32218, 38982, 39639, 48327, 58473, 79278, 96654, 116946, 118917, 144981, 237834, 289962, 1175957, 2351914, 3527871, 7055742, 10583613, 21167226]

約数ペア:

[(1, 21167226), (2, 10583613), (3, 7055742), (6, 3527871), (9, 2351914), (18, 1175957), (73, 289962), (89, 237834), (146, 144981), (178, 118917), (181, 116946), (219, 96654), (267, 79278), (362, 58473), (438, 48327), (534, 39639), (543, 38982), (657, 32218), (801, 26426), (1086, 19491), (1314, 16109), (1602, 13213), (1629, 12994), (3258, 6497)]