21234710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4973}}^1$

素因数の和:5048

約数の個数: 32

約数和(自身を含む): 44407872

約数和(自身を除く): 23173162

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4973, 9946, 24865, 34811, 49730, 69622, 174055, 303353, 348110, 606706, 1516765, 2123471, 3033530, 4246942, 10617355, 21234710]

約数ペア:

[(1, 21234710), (2, 10617355), (5, 4246942), (7, 3033530), (10, 2123471), (14, 1516765), (35, 606706), (61, 348110), (70, 303353), (122, 174055), (305, 69622), (427, 49730), (610, 34811), (854, 24865), (2135, 9946), (4270, 4973)]