21269280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{607}}^1$

素因数の和:698

約数の個数: 96

約数和(自身を含む): 68027904

約数和(自身を除く): 46758624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 73, 80, 96, 120, 146, 160, 219, 240, 292, 365, 438, 480, 584, 607, 730, 876, 1095, 1168, 1214, 1460, 1752, 1821, 2190, 2336, 2428, 2920, 3035, 3504, 3642, 4380, 4856, 5840, 6070, 7008, 7284, 8760, 9105, 9712, 11680, 12140, 14568, 17520, 18210, 19424, 24280, 29136, 35040, 36420, 44311, 48560, 58272, 72840, 88622, 97120, 132933, 145680, 177244, 221555, 265866, 291360, 354488, 443110, 531732, 664665, 708976, 886220, 1063464, 1329330, 1417952, 1772440, 2126928, 2658660, 3544880, 4253856, 5317320, 7089760, 10634640, 21269280]

約数ペア:

[(1, 21269280), (2, 10634640), (3, 7089760), (4, 5317320), (5, 4253856), (6, 3544880), (8, 2658660), (10, 2126928), (12, 1772440), (15, 1417952), (16, 1329330), (20, 1063464), (24, 886220), (30, 708976), (32, 664665), (40, 531732), (48, 443110), (60, 354488), (73, 291360), (80, 265866), (96, 221555), (120, 177244), (146, 145680), (160, 132933), (219, 97120), (240, 88622), (292, 72840), (365, 58272), (438, 48560), (480, 44311), (584, 36420), (607, 35040), (730, 29136), (876, 24280), (1095, 19424), (1168, 18210), (1214, 17520), (1460, 14568), (1752, 12140), (1821, 11680), (2190, 9712), (2336, 9105), (2428, 8760), (2920, 7284), (3035, 7008), (3504, 6070), (3642, 5840), (4380, 4856)]