21487800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:685

約数の個数: 96

約数和(自身を含む): 67852800

約数和(自身を除く): 46365000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 59, 60, 75, 100, 118, 120, 150, 177, 200, 236, 295, 300, 354, 472, 590, 600, 607, 708, 885, 1180, 1214, 1416, 1475, 1770, 1821, 2360, 2428, 2950, 3035, 3540, 3642, 4425, 4856, 5900, 6070, 7080, 7284, 8850, 9105, 11800, 12140, 14568, 15175, 17700, 18210, 24280, 30350, 35400, 35813, 36420, 45525, 60700, 71626, 72840, 91050, 107439, 121400, 143252, 179065, 182100, 214878, 286504, 358130, 364200, 429756, 537195, 716260, 859512, 895325, 1074390, 1432520, 1790650, 2148780, 2685975, 3581300, 4297560, 5371950, 7162600, 10743900, 21487800]

約数ペア:

[(1, 21487800), (2, 10743900), (3, 7162600), (4, 5371950), (5, 4297560), (6, 3581300), (8, 2685975), (10, 2148780), (12, 1790650), (15, 1432520), (20, 1074390), (24, 895325), (25, 859512), (30, 716260), (40, 537195), (50, 429756), (59, 364200), (60, 358130), (75, 286504), (100, 214878), (118, 182100), (120, 179065), (150, 143252), (177, 121400), (200, 107439), (236, 91050), (295, 72840), (300, 71626), (354, 60700), (472, 45525), (590, 36420), (600, 35813), (607, 35400), (708, 30350), (885, 24280), (1180, 18210), (1214, 17700), (1416, 15175), (1475, 14568), (1770, 12140), (1821, 11800), (2360, 9105), (2428, 8850), (2950, 7284), (3035, 7080), (3540, 6070), (3642, 5900), (4425, 4856)]