21677742

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{733}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 49465728

約数和(自身を除く): 27787986

約数列:

[1, 2, 3, 6, 9, 18, 31, 53, 62, 93, 106, 159, 186, 279, 318, 477, 558, 733, 954, 1466, 1643, 2199, 3286, 4398, 4929, 6597, 9858, 13194, 14787, 22723, 29574, 38849, 45446, 68169, 77698, 116547, 136338, 204507, 233094, 349641, 409014, 699282, 1204319, 2408638, 3612957, 7225914, 10838871, 21677742]

約数ペア:

[(1, 21677742), (2, 10838871), (3, 7225914), (6, 3612957), (9, 2408638), (18, 1204319), (31, 699282), (53, 409014), (62, 349641), (93, 233094), (106, 204507), (159, 136338), (186, 116547), (279, 77698), (318, 68169), (477, 45446), (558, 38849), (733, 29574), (954, 22723), (1466, 14787), (1643, 13194), (2199, 9858), (3286, 6597), (4398, 4929)]