21010560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 69327360

約数和(自身を除く): 48316800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 353, 372, 384, 465, 480, 496, 620, 640, 706, 744, 930, 960, 992, 1059, 1240, 1412, 1488, 1765, 1860, 1920, 1984, 2118, 2480, 2824, 2976, 3530, 3720, 3968, 4236, 4960, 5295, 5648, 5952, 7060, 7440, 8472, 9920, 10590, 10943, 11296, 11904, 14120, 14880, 16944, 19840, 21180, 21886, 22592, 28240, 29760, 32829, 33888, 42360, 43772, 45184, 54715, 56480, 59520, 65658, 67776, 84720, 87544, 109430, 112960, 131316, 135552, 164145, 169440, 175088, 218860, 225920, 262632, 328290, 338880, 350176, 437720, 525264, 656580, 677760, 700352, 875440, 1050528, 1313160, 1400704, 1750880, 2101056, 2626320, 3501760, 4202112, 5252640, 7003520, 10505280, 21010560]

約数ペア:

[(1, 21010560), (2, 10505280), (3, 7003520), (4, 5252640), (5, 4202112), (6, 3501760), (8, 2626320), (10, 2101056), (12, 1750880), (15, 1400704), (16, 1313160), (20, 1050528), (24, 875440), (30, 700352), (31, 677760), (32, 656580), (40, 525264), (48, 437720), (60, 350176), (62, 338880), (64, 328290), (80, 262632), (93, 225920), (96, 218860), (120, 175088), (124, 169440), (128, 164145), (155, 135552), (160, 131316), (186, 112960), (192, 109430), (240, 87544), (248, 84720), (310, 67776), (320, 65658), (353, 59520), (372, 56480), (384, 54715), (465, 45184), (480, 43772), (496, 42360), (620, 33888), (640, 32829), (706, 29760), (744, 28240), (930, 22592), (960, 21886), (992, 21180), (1059, 19840), (1240, 16944), (1412, 14880), (1488, 14120), (1765, 11904), (1860, 11296), (1920, 10943), (1984, 10590), (2118, 9920), (2480, 8472), (2824, 7440), (2976, 7060), (3530, 5952), (3720, 5648), (3968, 5295), (4236, 4960)]