21993502

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{787}}^1$

素因数の和:1035

約数の個数: 16

約数和(自身を含む): 33616080

約数和(自身を除く): 11622578

約数列:

[1, 2, 89, 157, 178, 314, 787, 1574, 13973, 27946, 70043, 123559, 140086, 247118, 10996751, 21993502]

約数ペア:

[(1, 21993502), (2, 10996751), (89, 247118), (157, 140086), (178, 123559), (314, 70043), (787, 27946), (1574, 13973)]