21117600

素因数分解:

$2^5\times 3^2\times 5^2\times 7^1\times {\mathrm{419}}^1$

素因数の和:452

約数の個数: 216

約数和(自身を含む): 85307040

約数和(自身を除く): 64189440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 126, 140, 144, 150, 160, 168, 175, 180, 200, 210, 224, 225, 240, 252, 280, 288, 300, 315, 336, 350, 360, 400, 419, 420, 450, 480, 504, 525, 560, 600, 630, 672, 700, 720, 800, 838, 840, 900, 1008, 1050, 1120, 1200, 1257, 1260, 1400, 1440, 1575, 1676, 1680, 1800, 2016, 2095, 2100, 2400, 2514, 2520, 2800, 2933, 3150, 3352, 3360, 3600, 3771, 4190, 4200, 5028, 5040, 5600, 5866, 6285, 6300, 6704, 7200, 7542, 8380, 8400, 8799, 10056, 10080, 10475, 11732, 12570, 12600, 13408, 14665, 15084, 16760, 16800, 17598, 18855, 20112, 20950, 23464, 25140, 25200, 26397, 29330, 30168, 31425, 33520, 35196, 37710, 40224, 41900, 43995, 46928, 50280, 50400, 52794, 58660, 60336, 62850, 67040, 70392, 73325, 75420, 83800, 87990, 93856, 94275, 100560, 105588, 117320, 120672, 125700, 131985, 140784, 146650, 150840, 167600, 175980, 188550, 201120, 211176, 219975, 234640, 251400, 263970, 281568, 293300, 301680, 335200, 351960, 377100, 422352, 439950, 469280, 502800, 527940, 586600, 603360, 659925, 703920, 754200, 844704, 879900, 1005600, 1055880, 1173200, 1319850, 1407840, 1508400, 1759800, 2111760, 2346400, 2639700, 3016800, 3519600, 4223520, 5279400, 7039200, 10558800, 21117600]

約数ペア:

[(1, 21117600), (2, 10558800), (3, 7039200), (4, 5279400), (5, 4223520), (6, 3519600), (7, 3016800), (8, 2639700), (9, 2346400), (10, 2111760), (12, 1759800), (14, 1508400), (15, 1407840), (16, 1319850), (18, 1173200), (20, 1055880), (21, 1005600), (24, 879900), (25, 844704), (28, 754200), (30, 703920), (32, 659925), (35, 603360), (36, 586600), (40, 527940), (42, 502800), (45, 469280), (48, 439950), (50, 422352), (56, 377100), (60, 351960), (63, 335200), (70, 301680), (72, 293300), (75, 281568), (80, 263970), (84, 251400), (90, 234640), (96, 219975), (100, 211176), (105, 201120), (112, 188550), (120, 175980), (126, 167600), (140, 150840), (144, 146650), (150, 140784), (160, 131985), (168, 125700), (175, 120672), (180, 117320), (200, 105588), (210, 100560), (224, 94275), (225, 93856), (240, 87990), (252, 83800), (280, 75420), (288, 73325), (300, 70392), (315, 67040), (336, 62850), (350, 60336), (360, 58660), (400, 52794), (419, 50400), (420, 50280), (450, 46928), (480, 43995), (504, 41900), (525, 40224), (560, 37710), (600, 35196), (630, 33520), (672, 31425), (700, 30168), (720, 29330), (800, 26397), (838, 25200), (840, 25140), (900, 23464), (1008, 20950), (1050, 20112), (1120, 18855), (1200, 17598), (1257, 16800), (1260, 16760), (1400, 15084), (1440, 14665), (1575, 13408), (1676, 12600), (1680, 12570), (1800, 11732), (2016, 10475), (2095, 10080), (2100, 10056), (2400, 8799), (2514, 8400), (2520, 8380), (2800, 7542), (2933, 7200), (3150, 6704), (3352, 6300), (3360, 6285), (3600, 5866), (3771, 5600), (4190, 5040), (4200, 5028)]