21915476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6823}}^1$

素因数の和:6911

約数の個数: 24

約数和(自身を含む): 42417984

約数和(自身を除く): 20502508

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6823, 13646, 27292, 75053, 150106, 300212, 498079, 996158, 1992316, 5478869, 10957738, 21915476]

約数ペア:

[(1, 21915476), (2, 10957738), (4, 5478869), (11, 1992316), (22, 996158), (44, 498079), (73, 300212), (146, 150106), (292, 75053), (803, 27292), (1606, 13646), (3212, 6823)]