21615696

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{4057}}^1$

素因数の和:4108

約数の個数: 60

約数和(自身を含む): 62144212

約数和(自身を除く): 40528516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 4057, 5328, 8114, 12171, 16228, 24342, 32456, 36513, 48684, 64912, 73026, 97368, 146052, 150109, 194736, 292104, 300218, 450327, 584208, 600436, 900654, 1200872, 1350981, 1801308, 2401744, 2701962, 3602616, 5403924, 7205232, 10807848, 21615696]

約数ペア:

[(1, 21615696), (2, 10807848), (3, 7205232), (4, 5403924), (6, 3602616), (8, 2701962), (9, 2401744), (12, 1801308), (16, 1350981), (18, 1200872), (24, 900654), (36, 600436), (37, 584208), (48, 450327), (72, 300218), (74, 292104), (111, 194736), (144, 150109), (148, 146052), (222, 97368), (296, 73026), (333, 64912), (444, 48684), (592, 36513), (666, 32456), (888, 24342), (1332, 16228), (1776, 12171), (2664, 8114), (4057, 5328)]