21503274

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8893}}^1$

素因数の和:8942

約数の個数: 32

約数和(自身を含む): 47814144

約数和(自身を除く): 26310870

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8893, 17786, 26679, 53358, 115609, 231218, 275683, 346827, 551366, 693654, 827049, 1654098, 3583879, 7167758, 10751637, 21503274]

約数ペア:

[(1, 21503274), (2, 10751637), (3, 7167758), (6, 3583879), (13, 1654098), (26, 827049), (31, 693654), (39, 551366), (62, 346827), (78, 275683), (93, 231218), (186, 115609), (403, 53358), (806, 26679), (1209, 17786), (2418, 8893)]