21037806

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7639}}^1$

素因数の和:7670

約数の個数: 40

約数和(自身を含む): 49919760

約数和(自身を除く): 28881954

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 306, 459, 918, 1377, 2754, 7639, 15278, 22917, 45834, 68751, 129863, 137502, 206253, 259726, 389589, 412506, 618759, 779178, 1168767, 1237518, 2337534, 3506301, 7012602, 10518903, 21037806]

約数ペア:

[(1, 21037806), (2, 10518903), (3, 7012602), (6, 3506301), (9, 2337534), (17, 1237518), (18, 1168767), (27, 779178), (34, 618759), (51, 412506), (54, 389589), (81, 259726), (102, 206253), (153, 137502), (162, 129863), (306, 68751), (459, 45834), (918, 22917), (1377, 15278), (2754, 7639)]