21081120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1242

約数の個数: 96

約数和(自身を含む): 68257728

約数和(自身を除く): 47176608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 74, 80, 96, 111, 120, 148, 160, 185, 222, 240, 296, 370, 444, 480, 555, 592, 740, 888, 1110, 1184, 1187, 1480, 1776, 2220, 2374, 2960, 3552, 3561, 4440, 4748, 5920, 5935, 7122, 8880, 9496, 11870, 14244, 17760, 17805, 18992, 23740, 28488, 35610, 37984, 43919, 47480, 56976, 71220, 87838, 94960, 113952, 131757, 142440, 175676, 189920, 219595, 263514, 284880, 351352, 439190, 527028, 569760, 658785, 702704, 878380, 1054056, 1317570, 1405408, 1756760, 2108112, 2635140, 3513520, 4216224, 5270280, 7027040, 10540560, 21081120]

約数ペア:

[(1, 21081120), (2, 10540560), (3, 7027040), (4, 5270280), (5, 4216224), (6, 3513520), (8, 2635140), (10, 2108112), (12, 1756760), (15, 1405408), (16, 1317570), (20, 1054056), (24, 878380), (30, 702704), (32, 658785), (37, 569760), (40, 527028), (48, 439190), (60, 351352), (74, 284880), (80, 263514), (96, 219595), (111, 189920), (120, 175676), (148, 142440), (160, 131757), (185, 113952), (222, 94960), (240, 87838), (296, 71220), (370, 56976), (444, 47480), (480, 43919), (555, 37984), (592, 35610), (740, 28488), (888, 23740), (1110, 18992), (1184, 17805), (1187, 17760), (1480, 14244), (1776, 11870), (2220, 9496), (2374, 8880), (2960, 7122), (3552, 5935), (3561, 5920), (4440, 4748)]