21057312

素因数分解:

$2^5\times 3^1\times {\mathrm{401}}^1\times {\mathrm{547}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 55514592

約数和(自身を除く): 34457280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 401, 547, 802, 1094, 1203, 1604, 1641, 2188, 2406, 3208, 3282, 4376, 4812, 6416, 6564, 8752, 9624, 12832, 13128, 17504, 19248, 26256, 38496, 52512, 219347, 438694, 658041, 877388, 1316082, 1754776, 2632164, 3509552, 5264328, 7019104, 10528656, 21057312]

約数ペア:

[(1, 21057312), (2, 10528656), (3, 7019104), (4, 5264328), (6, 3509552), (8, 2632164), (12, 1754776), (16, 1316082), (24, 877388), (32, 658041), (48, 438694), (96, 219347), (401, 52512), (547, 38496), (802, 26256), (1094, 19248), (1203, 17504), (1604, 13128), (1641, 12832), (2188, 9624), (2406, 8752), (3208, 6564), (3282, 6416), (4376, 4812)]