21738354

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4639}}^1$

素因数の和:4726

約数の個数: 32

約数和(自身を含む): 48107520

約数和(自身を除く): 26369166

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4639, 4686, 9278, 13917, 27834, 51029, 102058, 153087, 306174, 329369, 658738, 988107, 1976214, 3623059, 7246118, 10869177, 21738354]

約数ペア:

[(1, 21738354), (2, 10869177), (3, 7246118), (6, 3623059), (11, 1976214), (22, 988107), (33, 658738), (66, 329369), (71, 306174), (142, 153087), (213, 102058), (426, 51029), (781, 27834), (1562, 13917), (2343, 9278), (4639, 4686)]