21305106

素因数分解:

$2^1\times 3^4\times {\mathrm{347}}^1\times {\mathrm{379}}^1$

素因数の和:740

約数の個数: 40

約数和(自身を含む): 48003120

約数和(自身を除く): 26698014

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 347, 379, 694, 758, 1041, 1137, 2082, 2274, 3123, 3411, 6246, 6822, 9369, 10233, 18738, 20466, 28107, 30699, 56214, 61398, 131513, 263026, 394539, 789078, 1183617, 2367234, 3550851, 7101702, 10652553, 21305106]

約数ペア:

[(1, 21305106), (2, 10652553), (3, 7101702), (6, 3550851), (9, 2367234), (18, 1183617), (27, 789078), (54, 394539), (81, 263026), (162, 131513), (347, 61398), (379, 56214), (694, 30699), (758, 28107), (1041, 20466), (1137, 18738), (2082, 10233), (2274, 9369), (3123, 6822), (3411, 6246)]