21471648

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{20333}}^1$

素因数の和:20357

約数の個数: 48

約数和(自身を含む): 61490016

約数和(自身を除く): 40018368

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 20333, 40666, 60999, 81332, 121998, 162664, 223663, 243996, 325328, 447326, 487992, 650656, 670989, 894652, 975984, 1341978, 1789304, 1951968, 2683956, 3578608, 5367912, 7157216, 10735824, 21471648]

約数ペア:

[(1, 21471648), (2, 10735824), (3, 7157216), (4, 5367912), (6, 3578608), (8, 2683956), (11, 1951968), (12, 1789304), (16, 1341978), (22, 975984), (24, 894652), (32, 670989), (33, 650656), (44, 487992), (48, 447326), (66, 325328), (88, 243996), (96, 223663), (132, 162664), (176, 121998), (264, 81332), (352, 60999), (528, 40666), (1056, 20333)]