21638784

素因数分解:

$2^7\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1523}}^1$

素因数の和:1577

約数の個数: 64

約数和(自身を含む): 59070240

約数和(自身を除く): 37431456

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 296, 384, 444, 592, 888, 1184, 1523, 1776, 2368, 3046, 3552, 4569, 4736, 6092, 7104, 9138, 12184, 14208, 18276, 24368, 36552, 48736, 56351, 73104, 97472, 112702, 146208, 169053, 194944, 225404, 292416, 338106, 450808, 584832, 676212, 901616, 1352424, 1803232, 2704848, 3606464, 5409696, 7212928, 10819392, 21638784]

約数ペア:

[(1, 21638784), (2, 10819392), (3, 7212928), (4, 5409696), (6, 3606464), (8, 2704848), (12, 1803232), (16, 1352424), (24, 901616), (32, 676212), (37, 584832), (48, 450808), (64, 338106), (74, 292416), (96, 225404), (111, 194944), (128, 169053), (148, 146208), (192, 112702), (222, 97472), (296, 73104), (384, 56351), (444, 48736), (592, 36552), (888, 24368), (1184, 18276), (1523, 14208), (1776, 12184), (2368, 9138), (3046, 7104), (3552, 6092), (4569, 4736)]