21830480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5569}}^1$

素因数の和:5596

約数の個数: 60

約数和(自身を含む): 59053140

約数和(自身を除く): 37222660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5569, 11138, 22276, 27845, 38983, 44552, 55690, 77966, 89104, 111380, 155932, 194915, 222760, 272881, 311864, 389830, 445520, 545762, 623728, 779660, 1091524, 1364405, 1559320, 2183048, 2728810, 3118640, 4366096, 5457620, 10915240, 21830480]

約数ペア:

[(1, 21830480), (2, 10915240), (4, 5457620), (5, 4366096), (7, 3118640), (8, 2728810), (10, 2183048), (14, 1559320), (16, 1364405), (20, 1091524), (28, 779660), (35, 623728), (40, 545762), (49, 445520), (56, 389830), (70, 311864), (80, 272881), (98, 222760), (112, 194915), (140, 155932), (196, 111380), (245, 89104), (280, 77966), (392, 55690), (490, 44552), (560, 38983), (784, 27845), (980, 22276), (1960, 11138), (3920, 5569)]