21055856

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1973}}^1$

素因数の和:2033

約数の個数: 40

約数和(自身を含む): 44059680

約数和(自身を除く): 23003824

約数列:

[1, 2, 4, 8, 16, 23, 29, 46, 58, 92, 116, 184, 232, 368, 464, 667, 1334, 1973, 2668, 3946, 5336, 7892, 10672, 15784, 31568, 45379, 57217, 90758, 114434, 181516, 228868, 363032, 457736, 726064, 915472, 1315991, 2631982, 5263964, 10527928, 21055856]

約数ペア:

[(1, 21055856), (2, 10527928), (4, 5263964), (8, 2631982), (16, 1315991), (23, 915472), (29, 726064), (46, 457736), (58, 363032), (92, 228868), (116, 181516), (184, 114434), (232, 90758), (368, 57217), (464, 45379), (667, 31568), (1334, 15784), (1973, 10672), (2668, 7892), (3946, 5336)]