21064800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 70120512

約数和(自身を除く): 49055712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 67, 75, 80, 96, 100, 120, 131, 134, 150, 160, 200, 201, 240, 262, 268, 300, 335, 393, 400, 402, 480, 524, 536, 600, 655, 670, 786, 800, 804, 1005, 1048, 1072, 1200, 1310, 1340, 1572, 1608, 1675, 1965, 2010, 2096, 2144, 2400, 2620, 2680, 3144, 3216, 3275, 3350, 3930, 4020, 4192, 5025, 5240, 5360, 6288, 6432, 6550, 6700, 7860, 8040, 8777, 9825, 10050, 10480, 10720, 12576, 13100, 13400, 15720, 16080, 17554, 19650, 20100, 20960, 26200, 26331, 26800, 31440, 32160, 35108, 39300, 40200, 43885, 52400, 52662, 53600, 62880, 70216, 78600, 80400, 87770, 104800, 105324, 131655, 140432, 157200, 160800, 175540, 210648, 219425, 263310, 280864, 314400, 351080, 421296, 438850, 526620, 658275, 702160, 842592, 877700, 1053240, 1316550, 1404320, 1755400, 2106480, 2633100, 3510800, 4212960, 5266200, 7021600, 10532400, 21064800]

約数ペア:

[(1, 21064800), (2, 10532400), (3, 7021600), (4, 5266200), (5, 4212960), (6, 3510800), (8, 2633100), (10, 2106480), (12, 1755400), (15, 1404320), (16, 1316550), (20, 1053240), (24, 877700), (25, 842592), (30, 702160), (32, 658275), (40, 526620), (48, 438850), (50, 421296), (60, 351080), (67, 314400), (75, 280864), (80, 263310), (96, 219425), (100, 210648), (120, 175540), (131, 160800), (134, 157200), (150, 140432), (160, 131655), (200, 105324), (201, 104800), (240, 87770), (262, 80400), (268, 78600), (300, 70216), (335, 62880), (393, 53600), (400, 52662), (402, 52400), (480, 43885), (524, 40200), (536, 39300), (600, 35108), (655, 32160), (670, 31440), (786, 26800), (800, 26331), (804, 26200), (1005, 20960), (1048, 20100), (1072, 19650), (1200, 17554), (1310, 16080), (1340, 15720), (1572, 13400), (1608, 13100), (1675, 12576), (1965, 10720), (2010, 10480), (2096, 10050), (2144, 9825), (2400, 8777), (2620, 8040), (2680, 7860), (3144, 6700), (3216, 6550), (3275, 6432), (3350, 6288), (3930, 5360), (4020, 5240), (4192, 5025)]