21099600

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{5861}}^1$

素因数の和:5885

約数の個数: 90

約数和(自身を含む): 73233966

約数和(自身を除く): 52134366

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 5861, 11722, 17583, 23444, 29305, 35166, 46888, 52749, 58610, 70332, 87915, 93776, 105498, 117220, 140664, 146525, 175830, 210996, 234440, 263745, 281328, 293050, 351660, 421992, 439575, 468880, 527490, 586100, 703320, 843984, 879150, 1054980, 1172200, 1318725, 1406640, 1758300, 2109960, 2344400, 2637450, 3516600, 4219920, 5274900, 7033200, 10549800, 21099600]

約数ペア:

[(1, 21099600), (2, 10549800), (3, 7033200), (4, 5274900), (5, 4219920), (6, 3516600), (8, 2637450), (9, 2344400), (10, 2109960), (12, 1758300), (15, 1406640), (16, 1318725), (18, 1172200), (20, 1054980), (24, 879150), (25, 843984), (30, 703320), (36, 586100), (40, 527490), (45, 468880), (48, 439575), (50, 421992), (60, 351660), (72, 293050), (75, 281328), (80, 263745), (90, 234440), (100, 210996), (120, 175830), (144, 146525), (150, 140664), (180, 117220), (200, 105498), (225, 93776), (240, 87915), (300, 70332), (360, 58610), (400, 52749), (450, 46888), (600, 35166), (720, 29305), (900, 23444), (1200, 17583), (1800, 11722), (3600, 5861)]