21058570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7043}}^1$

素因数の和:7086

約数の個数: 32

約数和(自身を含む): 42602112

約数和(自身を除く): 21543542

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 7043, 14086, 35215, 70430, 91559, 161989, 183118, 323978, 457795, 809945, 915590, 1619890, 2105857, 4211714, 10529285, 21058570]

約数ペア:

[(1, 21058570), (2, 10529285), (5, 4211714), (10, 2105857), (13, 1619890), (23, 915590), (26, 809945), (46, 457795), (65, 323978), (115, 183118), (130, 161989), (230, 91559), (299, 70430), (598, 35215), (1495, 14086), (2990, 7043)]