21557034

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 49182120

約数和(自身を除く): 27625086

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 61, 87, 122, 174, 183, 261, 366, 522, 549, 677, 1098, 1354, 1769, 2031, 3538, 4062, 5307, 6093, 10614, 12186, 15921, 19633, 31842, 39266, 41297, 58899, 82594, 117798, 123891, 176697, 247782, 353394, 371673, 743346, 1197613, 2395226, 3592839, 7185678, 10778517, 21557034]

約数ペア:

[(1, 21557034), (2, 10778517), (3, 7185678), (6, 3592839), (9, 2395226), (18, 1197613), (29, 743346), (58, 371673), (61, 353394), (87, 247782), (122, 176697), (174, 123891), (183, 117798), (261, 82594), (366, 58899), (522, 41297), (549, 39266), (677, 31842), (1098, 19633), (1354, 15921), (1769, 12186), (2031, 10614), (3538, 6093), (4062, 5307)]