21244944

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1193}}^1$

素因数の和:1264

約数の個数: 80

約数和(自身を含む): 63960192

約数和(自身を除く): 42715248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 53, 56, 84, 106, 112, 159, 168, 212, 318, 336, 371, 424, 636, 742, 848, 1113, 1193, 1272, 1484, 2226, 2386, 2544, 2968, 3579, 4452, 4772, 5936, 7158, 8351, 8904, 9544, 14316, 16702, 17808, 19088, 25053, 28632, 33404, 50106, 57264, 63229, 66808, 100212, 126458, 133616, 189687, 200424, 252916, 379374, 400848, 442603, 505832, 758748, 885206, 1011664, 1327809, 1517496, 1770412, 2655618, 3034992, 3540824, 5311236, 7081648, 10622472, 21244944]

約数ペア:

[(1, 21244944), (2, 10622472), (3, 7081648), (4, 5311236), (6, 3540824), (7, 3034992), (8, 2655618), (12, 1770412), (14, 1517496), (16, 1327809), (21, 1011664), (24, 885206), (28, 758748), (42, 505832), (48, 442603), (53, 400848), (56, 379374), (84, 252916), (106, 200424), (112, 189687), (159, 133616), (168, 126458), (212, 100212), (318, 66808), (336, 63229), (371, 57264), (424, 50106), (636, 33404), (742, 28632), (848, 25053), (1113, 19088), (1193, 17808), (1272, 16702), (1484, 14316), (2226, 9544), (2386, 8904), (2544, 8351), (2968, 7158), (3579, 5936), (4452, 4772)]