21997680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{607}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 68757504

約数和(自身を除く): 46759824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 151, 240, 302, 453, 604, 607, 755, 906, 1208, 1214, 1510, 1812, 1821, 2265, 2416, 2428, 3020, 3035, 3624, 3642, 4530, 4856, 6040, 6070, 7248, 7284, 9060, 9105, 9712, 12080, 12140, 14568, 18120, 18210, 24280, 29136, 36240, 36420, 48560, 72840, 91657, 145680, 183314, 274971, 366628, 458285, 549942, 733256, 916570, 1099884, 1374855, 1466512, 1833140, 2199768, 2749710, 3666280, 4399536, 5499420, 7332560, 10998840, 21997680]

約数ペア:

[(1, 21997680), (2, 10998840), (3, 7332560), (4, 5499420), (5, 4399536), (6, 3666280), (8, 2749710), (10, 2199768), (12, 1833140), (15, 1466512), (16, 1374855), (20, 1099884), (24, 916570), (30, 733256), (40, 549942), (48, 458285), (60, 366628), (80, 274971), (120, 183314), (151, 145680), (240, 91657), (302, 72840), (453, 48560), (604, 36420), (607, 36240), (755, 29136), (906, 24280), (1208, 18210), (1214, 18120), (1510, 14568), (1812, 12140), (1821, 12080), (2265, 9712), (2416, 9105), (2428, 9060), (3020, 7284), (3035, 7248), (3624, 6070), (3642, 6040), (4530, 4856)]