21693280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2767}}^1$

素因数の和:2796

約数の個数: 72

約数和(自身を含む): 59639328

約数和(自身を除く): 37946048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2767, 3920, 5534, 7840, 11068, 13835, 19369, 22136, 27670, 38738, 44272, 55340, 77476, 88544, 96845, 110680, 135583, 154952, 193690, 221360, 271166, 309904, 387380, 442720, 542332, 619808, 677915, 774760, 1084664, 1355830, 1549520, 2169328, 2711660, 3099040, 4338656, 5423320, 10846640, 21693280]

約数ペア:

[(1, 21693280), (2, 10846640), (4, 5423320), (5, 4338656), (7, 3099040), (8, 2711660), (10, 2169328), (14, 1549520), (16, 1355830), (20, 1084664), (28, 774760), (32, 677915), (35, 619808), (40, 542332), (49, 442720), (56, 387380), (70, 309904), (80, 271166), (98, 221360), (112, 193690), (140, 154952), (160, 135583), (196, 110680), (224, 96845), (245, 88544), (280, 77476), (392, 55340), (490, 44272), (560, 38738), (784, 27670), (980, 22136), (1120, 19369), (1568, 13835), (1960, 11068), (2767, 7840), (3920, 5534)]