21502422

素因数分解:

$2^1\times 3^4\times {\mathrm{331}}^1\times {\mathrm{401}}^1$

素因数の和:746

約数の個数: 40

約数和(自身を含む): 48447432

約数和(自身を除く): 26945010

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 331, 401, 662, 802, 993, 1203, 1986, 2406, 2979, 3609, 5958, 7218, 8937, 10827, 17874, 21654, 26811, 32481, 53622, 64962, 132731, 265462, 398193, 796386, 1194579, 2389158, 3583737, 7167474, 10751211, 21502422]

約数ペア:

[(1, 21502422), (2, 10751211), (3, 7167474), (6, 3583737), (9, 2389158), (18, 1194579), (27, 796386), (54, 398193), (81, 265462), (162, 132731), (331, 64962), (401, 53622), (662, 32481), (802, 26811), (993, 21654), (1203, 17874), (1986, 10827), (2406, 8937), (2979, 7218), (3609, 5958)]