21423000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 69001920

約数和(自身を除く): 47578920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 37, 40, 50, 60, 74, 75, 100, 111, 120, 125, 148, 150, 185, 193, 200, 222, 250, 296, 300, 370, 375, 386, 444, 500, 555, 579, 600, 740, 750, 772, 888, 925, 965, 1000, 1110, 1158, 1480, 1500, 1544, 1850, 1930, 2220, 2316, 2775, 2895, 3000, 3700, 3860, 4440, 4625, 4632, 4825, 5550, 5790, 7141, 7400, 7720, 9250, 9650, 11100, 11580, 13875, 14282, 14475, 18500, 19300, 21423, 22200, 23160, 24125, 27750, 28564, 28950, 35705, 37000, 38600, 42846, 48250, 55500, 57128, 57900, 71410, 72375, 85692, 96500, 107115, 111000, 115800, 142820, 144750, 171384, 178525, 193000, 214230, 285640, 289500, 357050, 428460, 535575, 579000, 714100, 856920, 892625, 1071150, 1428200, 1785250, 2142300, 2677875, 3570500, 4284600, 5355750, 7141000, 10711500, 21423000]

約数ペア:

[(1, 21423000), (2, 10711500), (3, 7141000), (4, 5355750), (5, 4284600), (6, 3570500), (8, 2677875), (10, 2142300), (12, 1785250), (15, 1428200), (20, 1071150), (24, 892625), (25, 856920), (30, 714100), (37, 579000), (40, 535575), (50, 428460), (60, 357050), (74, 289500), (75, 285640), (100, 214230), (111, 193000), (120, 178525), (125, 171384), (148, 144750), (150, 142820), (185, 115800), (193, 111000), (200, 107115), (222, 96500), (250, 85692), (296, 72375), (300, 71410), (370, 57900), (375, 57128), (386, 55500), (444, 48250), (500, 42846), (555, 38600), (579, 37000), (600, 35705), (740, 28950), (750, 28564), (772, 27750), (888, 24125), (925, 23160), (965, 22200), (1000, 21423), (1110, 19300), (1158, 18500), (1480, 14475), (1500, 14282), (1544, 13875), (1850, 11580), (1930, 11100), (2220, 9650), (2316, 9250), (2775, 7720), (2895, 7400), (3000, 7141), (3700, 5790), (3860, 5550), (4440, 4825), (4625, 4632)]