21986880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:676

約数の個数: 112

約数和(自身を含む): 71810880

約数和(自身を除く): 49824000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 148, 160, 185, 192, 222, 240, 296, 320, 370, 444, 480, 555, 592, 619, 740, 888, 960, 1110, 1184, 1238, 1480, 1776, 1857, 2220, 2368, 2476, 2960, 3095, 3552, 3714, 4440, 4952, 5920, 6190, 7104, 7428, 8880, 9285, 9904, 11840, 12380, 14856, 17760, 18570, 19808, 22903, 24760, 29712, 35520, 37140, 39616, 45806, 49520, 59424, 68709, 74280, 91612, 99040, 114515, 118848, 137418, 148560, 183224, 198080, 229030, 274836, 297120, 343545, 366448, 458060, 549672, 594240, 687090, 732896, 916120, 1099344, 1374180, 1465792, 1832240, 2198688, 2748360, 3664480, 4397376, 5496720, 7328960, 10993440, 21986880]

約数ペア:

[(1, 21986880), (2, 10993440), (3, 7328960), (4, 5496720), (5, 4397376), (6, 3664480), (8, 2748360), (10, 2198688), (12, 1832240), (15, 1465792), (16, 1374180), (20, 1099344), (24, 916120), (30, 732896), (32, 687090), (37, 594240), (40, 549672), (48, 458060), (60, 366448), (64, 343545), (74, 297120), (80, 274836), (96, 229030), (111, 198080), (120, 183224), (148, 148560), (160, 137418), (185, 118848), (192, 114515), (222, 99040), (240, 91612), (296, 74280), (320, 68709), (370, 59424), (444, 49520), (480, 45806), (555, 39616), (592, 37140), (619, 35520), (740, 29712), (888, 24760), (960, 22903), (1110, 19808), (1184, 18570), (1238, 17760), (1480, 14856), (1776, 12380), (1857, 11840), (2220, 9904), (2368, 9285), (2476, 8880), (2960, 7428), (3095, 7104), (3552, 6190), (3714, 5920), (4440, 4952)]