21669900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:648

約数の個数: 144

約数和(自身を含む): 75995136

約数和(自身を除く): 54325236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 50, 51, 60, 68, 70, 75, 84, 85, 100, 102, 105, 119, 140, 150, 170, 175, 204, 210, 238, 255, 300, 340, 350, 357, 420, 425, 476, 510, 525, 595, 607, 700, 714, 850, 1020, 1050, 1190, 1214, 1275, 1428, 1700, 1785, 1821, 2100, 2380, 2428, 2550, 2975, 3035, 3570, 3642, 4249, 5100, 5950, 6070, 7140, 7284, 8498, 8925, 9105, 10319, 11900, 12140, 12747, 15175, 16996, 17850, 18210, 20638, 21245, 25494, 30350, 30957, 35700, 36420, 41276, 42490, 45525, 50988, 51595, 60700, 61914, 63735, 72233, 84980, 91050, 103190, 106225, 123828, 127470, 144466, 154785, 182100, 206380, 212450, 216699, 254940, 257975, 288932, 309570, 318675, 361165, 424900, 433398, 515950, 619140, 637350, 722330, 773925, 866796, 1031900, 1083495, 1274700, 1444660, 1547850, 1805825, 2166990, 3095700, 3611650, 4333980, 5417475, 7223300, 10834950, 21669900]

約数ペア:

[(1, 21669900), (2, 10834950), (3, 7223300), (4, 5417475), (5, 4333980), (6, 3611650), (7, 3095700), (10, 2166990), (12, 1805825), (14, 1547850), (15, 1444660), (17, 1274700), (20, 1083495), (21, 1031900), (25, 866796), (28, 773925), (30, 722330), (34, 637350), (35, 619140), (42, 515950), (50, 433398), (51, 424900), (60, 361165), (68, 318675), (70, 309570), (75, 288932), (84, 257975), (85, 254940), (100, 216699), (102, 212450), (105, 206380), (119, 182100), (140, 154785), (150, 144466), (170, 127470), (175, 123828), (204, 106225), (210, 103190), (238, 91050), (255, 84980), (300, 72233), (340, 63735), (350, 61914), (357, 60700), (420, 51595), (425, 50988), (476, 45525), (510, 42490), (525, 41276), (595, 36420), (607, 35700), (700, 30957), (714, 30350), (850, 25494), (1020, 21245), (1050, 20638), (1190, 18210), (1214, 17850), (1275, 16996), (1428, 15175), (1700, 12747), (1785, 12140), (1821, 11900), (2100, 10319), (2380, 9105), (2428, 8925), (2550, 8498), (2975, 7284), (3035, 7140), (3570, 6070), (3642, 5950), (4249, 5100)]