21296256

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{1789}}^1$

素因数の和:1837

約数の個数: 64

約数和(自身を含む): 58425600

約数和(自身を除く): 37129344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1789, 1984, 2976, 3578, 3968, 5367, 5952, 7156, 10734, 11904, 14312, 21468, 28624, 42936, 55459, 57248, 85872, 110918, 114496, 166377, 171744, 221836, 228992, 332754, 343488, 443672, 665508, 686976, 887344, 1331016, 1774688, 2662032, 3549376, 5324064, 7098752, 10648128, 21296256]

約数ペア:

[(1, 21296256), (2, 10648128), (3, 7098752), (4, 5324064), (6, 3549376), (8, 2662032), (12, 1774688), (16, 1331016), (24, 887344), (31, 686976), (32, 665508), (48, 443672), (62, 343488), (64, 332754), (93, 228992), (96, 221836), (124, 171744), (128, 166377), (186, 114496), (192, 110918), (248, 85872), (372, 57248), (384, 55459), (496, 42936), (744, 28624), (992, 21468), (1488, 14312), (1789, 11904), (1984, 10734), (2976, 7156), (3578, 5952), (3968, 5367)]