21696516

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12823}}^1$

素因数の和:12880

約数の個数: 36

約数和(自身を含む): 56015232

約数和(自身を除く): 34318716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12823, 25646, 38469, 51292, 76938, 115407, 153876, 230814, 461628, 602681, 1205362, 1808043, 2410724, 3616086, 5424129, 7232172, 10848258, 21696516]

約数ペア:

[(1, 21696516), (2, 10848258), (3, 7232172), (4, 5424129), (6, 3616086), (9, 2410724), (12, 1808043), (18, 1205362), (36, 602681), (47, 461628), (94, 230814), (141, 153876), (188, 115407), (282, 76938), (423, 51292), (564, 38469), (846, 25646), (1692, 12823)]