21815080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4583}}^1$

素因数の和:4618

約数の個数: 64

約数和(自身を含む): 59408640

約数和(自身を除く): 37593560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4583, 4760, 9166, 18332, 22915, 32081, 36664, 45830, 64162, 77911, 91660, 128324, 155822, 160405, 183320, 256648, 311644, 320810, 389555, 545377, 623288, 641620, 779110, 1090754, 1283240, 1558220, 2181508, 2726885, 3116440, 4363016, 5453770, 10907540, 21815080]

約数ペア:

[(1, 21815080), (2, 10907540), (4, 5453770), (5, 4363016), (7, 3116440), (8, 2726885), (10, 2181508), (14, 1558220), (17, 1283240), (20, 1090754), (28, 779110), (34, 641620), (35, 623288), (40, 545377), (56, 389555), (68, 320810), (70, 311644), (85, 256648), (119, 183320), (136, 160405), (140, 155822), (170, 128324), (238, 91660), (280, 77911), (340, 64162), (476, 45830), (595, 36664), (680, 32081), (952, 22915), (1190, 18332), (2380, 9166), (4583, 4760)]