21623520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2371}}^1$

素因数の和:2408

約数の個数: 96

約数和(自身を含む): 71729280

約数和(自身を除く): 50105760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 2371, 3040, 4560, 4742, 7113, 9120, 9484, 11855, 14226, 18968, 23710, 28452, 35565, 37936, 45049, 47420, 56904, 71130, 75872, 90098, 94840, 113808, 135147, 142260, 180196, 189680, 225245, 227616, 270294, 284520, 360392, 379360, 450490, 540588, 569040, 675735, 720784, 900980, 1081176, 1138080, 1351470, 1441568, 1801960, 2162352, 2702940, 3603920, 4324704, 5405880, 7207840, 10811760, 21623520]

約数ペア:

[(1, 21623520), (2, 10811760), (3, 7207840), (4, 5405880), (5, 4324704), (6, 3603920), (8, 2702940), (10, 2162352), (12, 1801960), (15, 1441568), (16, 1351470), (19, 1138080), (20, 1081176), (24, 900980), (30, 720784), (32, 675735), (38, 569040), (40, 540588), (48, 450490), (57, 379360), (60, 360392), (76, 284520), (80, 270294), (95, 227616), (96, 225245), (114, 189680), (120, 180196), (152, 142260), (160, 135147), (190, 113808), (228, 94840), (240, 90098), (285, 75872), (304, 71130), (380, 56904), (456, 47420), (480, 45049), (570, 37936), (608, 35565), (760, 28452), (912, 23710), (1140, 18968), (1520, 14226), (1824, 11855), (2280, 9484), (2371, 9120), (3040, 7113), (4560, 4742)]