21815790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{3121}}^1$

素因数の和:3364

約数の個数: 32

約数和(自身を含む): 52599456

約数和(自身を除く): 30783666

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 233, 466, 699, 1165, 1398, 2330, 3121, 3495, 6242, 6990, 9363, 15605, 18726, 31210, 46815, 93630, 727193, 1454386, 2181579, 3635965, 4363158, 7271930, 10907895, 21815790]

約数ペア:

[(1, 21815790), (2, 10907895), (3, 7271930), (5, 4363158), (6, 3635965), (10, 2181579), (15, 1454386), (30, 727193), (233, 93630), (466, 46815), (699, 31210), (1165, 18726), (1398, 15605), (2330, 9363), (3121, 6990), (3495, 6242)]