21397006

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1\times {\mathrm{739}}^1$

素因数の和:1239

約数の個数: 16

約数和(自身を含む): 33246720

約数和(自身を除く): 11849714

約数列:

[1, 2, 31, 62, 467, 739, 934, 1478, 14477, 22909, 28954, 45818, 345113, 690226, 10698503, 21397006]

約数ペア:

[(1, 21397006), (2, 10698503), (31, 690226), (62, 345113), (467, 45818), (739, 28954), (934, 22909), (1478, 14477)]