21598640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38569}}^1$

素因数の和:38589

約数の個数: 40

約数和(自身を含む): 57392160

約数和(自身を除く): 35793520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38569, 77138, 154276, 192845, 269983, 308552, 385690, 539966, 617104, 771380, 1079932, 1349915, 1542760, 2159864, 2699830, 3085520, 4319728, 5399660, 10799320, 21598640]

約数ペア:

[(1, 21598640), (2, 10799320), (4, 5399660), (5, 4319728), (7, 3085520), (8, 2699830), (10, 2159864), (14, 1542760), (16, 1349915), (20, 1079932), (28, 771380), (35, 617104), (40, 539966), (56, 385690), (70, 308552), (80, 269983), (112, 192845), (140, 154276), (280, 77138), (560, 38569)]