21906384

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 58924800

約数和(自身を除く): 37018416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 79, 106, 109, 158, 159, 212, 218, 237, 316, 318, 327, 424, 436, 474, 632, 636, 654, 848, 872, 948, 1264, 1272, 1308, 1744, 1896, 2544, 2616, 3792, 4187, 5232, 5777, 8374, 8611, 11554, 12561, 16748, 17222, 17331, 23108, 25122, 25833, 33496, 34444, 34662, 46216, 50244, 51666, 66992, 68888, 69324, 92432, 100488, 103332, 137776, 138648, 200976, 206664, 277296, 413328, 456383, 912766, 1369149, 1825532, 2738298, 3651064, 5476596, 7302128, 10953192, 21906384]

約数ペア:

[(1, 21906384), (2, 10953192), (3, 7302128), (4, 5476596), (6, 3651064), (8, 2738298), (12, 1825532), (16, 1369149), (24, 912766), (48, 456383), (53, 413328), (79, 277296), (106, 206664), (109, 200976), (158, 138648), (159, 137776), (212, 103332), (218, 100488), (237, 92432), (316, 69324), (318, 68888), (327, 66992), (424, 51666), (436, 50244), (474, 46216), (632, 34662), (636, 34444), (654, 33496), (848, 25833), (872, 25122), (948, 23108), (1264, 17331), (1272, 17222), (1308, 16748), (1744, 12561), (1896, 11554), (2544, 8611), (2616, 8374), (3792, 5777), (4187, 5232)]