21190908

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{953}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 52889760

約数和(自身を除く): 31698852

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 109, 204, 218, 327, 436, 654, 953, 1308, 1853, 1906, 2859, 3706, 3812, 5559, 5718, 7412, 11118, 11436, 16201, 22236, 32402, 48603, 64804, 97206, 103877, 194412, 207754, 311631, 415508, 623262, 1246524, 1765909, 3531818, 5297727, 7063636, 10595454, 21190908]

約数ペア:

[(1, 21190908), (2, 10595454), (3, 7063636), (4, 5297727), (6, 3531818), (12, 1765909), (17, 1246524), (34, 623262), (51, 415508), (68, 311631), (102, 207754), (109, 194412), (204, 103877), (218, 97206), (327, 64804), (436, 48603), (654, 32402), (953, 22236), (1308, 16201), (1853, 11436), (1906, 11118), (2859, 7412), (3706, 5718), (3812, 5559)]