21133228

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^2$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 40375440

約数和(自身を除く): 19242212

約数列:

[1, 2, 4, 23, 29, 46, 58, 89, 92, 116, 178, 356, 667, 1334, 2047, 2581, 2668, 4094, 5162, 7921, 8188, 10324, 15842, 31684, 59363, 118726, 182183, 229709, 237452, 364366, 459418, 728732, 918836, 5283307, 10566614, 21133228]

約数ペア:

[(1, 21133228), (2, 10566614), (4, 5283307), (23, 918836), (29, 728732), (46, 459418), (58, 364366), (89, 237452), (92, 229709), (116, 182183), (178, 118726), (356, 59363), (667, 31684), (1334, 15842), (2047, 10324), (2581, 8188), (2668, 7921), (4094, 5162)]