21150288

素因数分解:

$2^4\times 3^3\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:473

約数の個数: 80

約数和(自身を含む): 61275840

約数和(自身を除く): 40125552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 173, 216, 283, 346, 432, 519, 566, 692, 849, 1038, 1132, 1384, 1557, 1698, 2076, 2264, 2547, 2768, 3114, 3396, 4152, 4528, 4671, 5094, 6228, 6792, 7641, 8304, 9342, 10188, 12456, 13584, 15282, 18684, 20376, 24912, 30564, 37368, 40752, 48959, 61128, 74736, 97918, 122256, 146877, 195836, 293754, 391672, 440631, 587508, 783344, 881262, 1175016, 1321893, 1762524, 2350032, 2643786, 3525048, 5287572, 7050096, 10575144, 21150288]

約数ペア:

[(1, 21150288), (2, 10575144), (3, 7050096), (4, 5287572), (6, 3525048), (8, 2643786), (9, 2350032), (12, 1762524), (16, 1321893), (18, 1175016), (24, 881262), (27, 783344), (36, 587508), (48, 440631), (54, 391672), (72, 293754), (108, 195836), (144, 146877), (173, 122256), (216, 97918), (283, 74736), (346, 61128), (432, 48959), (519, 40752), (566, 37368), (692, 30564), (849, 24912), (1038, 20376), (1132, 18684), (1384, 15282), (1557, 13584), (1698, 12456), (2076, 10188), (2264, 9342), (2547, 8304), (2768, 7641), (3114, 6792), (3396, 6228), (4152, 5094), (4528, 4671)]