21375744

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2141}}^1$

素因数の和:2173

約数の個数: 72

約数和(自身を含む): 61295472

約数和(自身を除く): 39919728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2141, 2496, 3328, 4282, 4992, 6423, 8564, 9984, 12846, 17128, 25692, 27833, 34256, 51384, 55666, 68512, 83499, 102768, 111332, 137024, 166998, 205536, 222664, 274048, 333996, 411072, 445328, 548096, 667992, 822144, 890656, 1335984, 1644288, 1781312, 2671968, 3562624, 5343936, 7125248, 10687872, 21375744]

約数ペア:

[(1, 21375744), (2, 10687872), (3, 7125248), (4, 5343936), (6, 3562624), (8, 2671968), (12, 1781312), (13, 1644288), (16, 1335984), (24, 890656), (26, 822144), (32, 667992), (39, 548096), (48, 445328), (52, 411072), (64, 333996), (78, 274048), (96, 222664), (104, 205536), (128, 166998), (156, 137024), (192, 111332), (208, 102768), (256, 83499), (312, 68512), (384, 55666), (416, 51384), (624, 34256), (768, 27833), (832, 25692), (1248, 17128), (1664, 12846), (2141, 9984), (2496, 8564), (3328, 6423), (4282, 4992)]