21499728

素因数分解:

$2^4\times 3^1\times {\mathrm{419}}^1\times {\mathrm{1069}}^1$

素因数の和:1499

約数の個数: 40

約数和(自身を含む): 55725600

約数和(自身を除く): 34225872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 419, 838, 1069, 1257, 1676, 2138, 2514, 3207, 3352, 4276, 5028, 6414, 6704, 8552, 10056, 12828, 17104, 20112, 25656, 51312, 447911, 895822, 1343733, 1791644, 2687466, 3583288, 5374932, 7166576, 10749864, 21499728]

約数ペア:

[(1, 21499728), (2, 10749864), (3, 7166576), (4, 5374932), (6, 3583288), (8, 2687466), (12, 1791644), (16, 1343733), (24, 895822), (48, 447911), (419, 51312), (838, 25656), (1069, 20112), (1257, 17104), (1676, 12828), (2138, 10056), (2514, 8552), (3207, 6704), (3352, 6414), (4276, 5028)]