21137928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{125821}}^1$

素因数の和:125837

約数の個数: 32

約数和(自身を含む): 60394560

約数和(自身を除く): 39256632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 125821, 251642, 377463, 503284, 754926, 880747, 1006568, 1509852, 1761494, 2642241, 3019704, 3522988, 5284482, 7045976, 10568964, 21137928]

約数ペア:

[(1, 21137928), (2, 10568964), (3, 7045976), (4, 5284482), (6, 3522988), (7, 3019704), (8, 2642241), (12, 1761494), (14, 1509852), (21, 1006568), (24, 880747), (28, 754926), (42, 503284), (56, 377463), (84, 251642), (168, 125821)]