21444640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1$

素因数の和:530

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 37995104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 70, 80, 82, 112, 140, 160, 164, 205, 224, 280, 287, 328, 410, 467, 560, 574, 656, 820, 934, 1120, 1148, 1312, 1435, 1640, 1868, 2296, 2335, 2870, 3269, 3280, 3736, 4592, 4670, 5740, 6538, 6560, 7472, 9184, 9340, 11480, 13076, 14944, 16345, 18680, 19147, 22960, 26152, 32690, 37360, 38294, 45920, 52304, 65380, 74720, 76588, 95735, 104608, 130760, 134029, 153176, 191470, 261520, 268058, 306352, 382940, 523040, 536116, 612704, 670145, 765880, 1072232, 1340290, 1531760, 2144464, 2680580, 3063520, 4288928, 5361160, 10722320, 21444640]

約数ペア:

[(1, 21444640), (2, 10722320), (4, 5361160), (5, 4288928), (7, 3063520), (8, 2680580), (10, 2144464), (14, 1531760), (16, 1340290), (20, 1072232), (28, 765880), (32, 670145), (35, 612704), (40, 536116), (41, 523040), (56, 382940), (70, 306352), (80, 268058), (82, 261520), (112, 191470), (140, 153176), (160, 134029), (164, 130760), (205, 104608), (224, 95735), (280, 76588), (287, 74720), (328, 65380), (410, 52304), (467, 45920), (560, 38294), (574, 37360), (656, 32690), (820, 26152), (934, 22960), (1120, 19147), (1148, 18680), (1312, 16345), (1435, 14944), (1640, 13076), (1868, 11480), (2296, 9340), (2335, 9184), (2870, 7472), (3269, 6560), (3280, 6538), (3736, 5740), (4592, 4670)]