21745428

素因数分解:

$2^2\times 3^1\times {\mathrm{401}}^1\times {\mathrm{4519}}^1$

素因数の和:4927

約数の個数: 24

約数和(自身を含む): 50877120

約数和(自身を除く): 29131692

約数列:

[1, 2, 3, 4, 6, 12, 401, 802, 1203, 1604, 2406, 4519, 4812, 9038, 13557, 18076, 27114, 54228, 1812119, 3624238, 5436357, 7248476, 10872714, 21745428]

約数ペア:

[(1, 21745428), (2, 10872714), (3, 7248476), (4, 5436357), (6, 3624238), (12, 1812119), (401, 54228), (802, 27114), (1203, 18076), (1604, 13557), (2406, 9038), (4519, 4812)]