21566560

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3643}}^1$

素因数の和:3695

約数の個数: 48

約数和(自身を含む): 52342416

約数和(自身を除く): 30775856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3643, 5920, 7286, 14572, 18215, 29144, 36430, 58288, 72860, 116576, 134791, 145720, 269582, 291440, 539164, 582880, 673955, 1078328, 1347910, 2156656, 2695820, 4313312, 5391640, 10783280, 21566560]

約数ペア:

[(1, 21566560), (2, 10783280), (4, 5391640), (5, 4313312), (8, 2695820), (10, 2156656), (16, 1347910), (20, 1078328), (32, 673955), (37, 582880), (40, 539164), (74, 291440), (80, 269582), (148, 145720), (160, 134791), (185, 116576), (296, 72860), (370, 58288), (592, 36430), (740, 29144), (1184, 18215), (1480, 14572), (2960, 7286), (3643, 5920)]