21793135

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 32481792

約数和(自身を除く): 10688657

約数列:

[1, 5, 7, 13, 35, 65, 91, 211, 227, 455, 1055, 1135, 1477, 1589, 2743, 2951, 7385, 7945, 13715, 14755, 19201, 20657, 47897, 96005, 103285, 239485, 335279, 622661, 1676395, 3113305, 4358627, 21793135]

約数ペア:

[(1, 21793135), (5, 4358627), (7, 3113305), (13, 1676395), (35, 622661), (65, 335279), (91, 239485), (211, 103285), (227, 96005), (455, 47897), (1055, 20657), (1135, 19201), (1477, 14755), (1589, 13715), (2743, 7945), (2951, 7385)]