21998902

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{15427}}^1$

素因数の和:15483

約数の個数: 16

約数和(自身を含む): 35546112

約数和(自身を除く): 13547210

約数列:

[1, 2, 23, 31, 46, 62, 713, 1426, 15427, 30854, 354821, 478237, 709642, 956474, 10999451, 21998902]

約数ペア:

[(1, 21998902), (2, 10999451), (23, 956474), (31, 709642), (46, 478237), (62, 354821), (713, 30854), (1426, 15427)]