21912972

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{42467}}^1$

素因数の和:42517

約数の個数: 24

約数和(自身を含む): 52320576

約数和(自身を除く): 30407604

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 42467, 84934, 127401, 169868, 254802, 509604, 1826081, 3652162, 5478243, 7304324, 10956486, 21912972]

約数ペア:

[(1, 21912972), (2, 10956486), (3, 7304324), (4, 5478243), (6, 3652162), (12, 1826081), (43, 509604), (86, 254802), (129, 169868), (172, 127401), (258, 84934), (516, 42467)]