21163056

素因数分解:

$2^4\times 3^1\times {\mathrm{353}}^1\times {\mathrm{1249}}^1$

素因数の和:1613

約数の個数: 40

約数和(自身を含む): 54870000

約数和(自身を除く): 33706944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 353, 706, 1059, 1249, 1412, 2118, 2498, 2824, 3747, 4236, 4996, 5648, 7494, 8472, 9992, 14988, 16944, 19984, 29976, 59952, 440897, 881794, 1322691, 1763588, 2645382, 3527176, 5290764, 7054352, 10581528, 21163056]

約数ペア:

[(1, 21163056), (2, 10581528), (3, 7054352), (4, 5290764), (6, 3527176), (8, 2645382), (12, 1763588), (16, 1322691), (24, 881794), (48, 440897), (353, 59952), (706, 29976), (1059, 19984), (1249, 16944), (1412, 14988), (2118, 9992), (2498, 8472), (2824, 7494), (3747, 5648), (4236, 4996)]