21135186

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26039214

約数列:

[1, 2, 3, 6, 9, 18, 79, 89, 158, 167, 178, 237, 267, 334, 474, 501, 534, 711, 801, 1002, 1422, 1503, 1602, 3006, 7031, 13193, 14062, 14863, 21093, 26386, 29726, 39579, 42186, 44589, 63279, 79158, 89178, 118737, 126558, 133767, 237474, 267534, 1174177, 2348354, 3522531, 7045062, 10567593, 21135186]

約数ペア:

[(1, 21135186), (2, 10567593), (3, 7045062), (6, 3522531), (9, 2348354), (18, 1174177), (79, 267534), (89, 237474), (158, 133767), (167, 126558), (178, 118737), (237, 89178), (267, 79158), (334, 63279), (474, 44589), (501, 42186), (534, 39579), (711, 29726), (801, 26386), (1002, 21093), (1422, 14863), (1503, 14062), (1602, 13193), (3006, 7031)]