21706416

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8867}}^1$

素因数の和:8898

約数の個数: 60

約数和(自身を含む): 64328472

約数和(自身を除く): 42622056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8867, 17734, 26601, 35468, 53202, 70936, 79803, 106404, 141872, 150739, 159606, 212808, 301478, 319212, 425616, 452217, 602956, 638424, 904434, 1205912, 1276848, 1356651, 1808868, 2411824, 2713302, 3617736, 5426604, 7235472, 10853208, 21706416]

約数ペア:

[(1, 21706416), (2, 10853208), (3, 7235472), (4, 5426604), (6, 3617736), (8, 2713302), (9, 2411824), (12, 1808868), (16, 1356651), (17, 1276848), (18, 1205912), (24, 904434), (34, 638424), (36, 602956), (48, 452217), (51, 425616), (68, 319212), (72, 301478), (102, 212808), (136, 159606), (144, 150739), (153, 141872), (204, 106404), (272, 79803), (306, 70936), (408, 53202), (612, 35468), (816, 26601), (1224, 17734), (2448, 8867)]