2021145678

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1261639}}^1$

素因数の和:1261736

約数の個数: 24

約数和(自身を含む): 4428356400

約数和(自身を除く): 2407210722

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 1261639, 2523278, 3784917, 7569834, 11354751, 22709502, 112285871, 224571742, 336857613, 673715226, 1010572839, 2021145678]

約数ペア:

[(1, 2021145678), (2, 1010572839), (3, 673715226), (6, 336857613), (9, 224571742), (18, 112285871), (89, 22709502), (178, 11354751), (267, 7569834), (534, 3784917), (801, 2523278), (1602, 1261639)]