21282435

素因数分解:

$3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1511}}^1$

素因数の和:1835

約数の個数: 24

約数和(自身を含む): 37031904

約数和(自身を除く): 15749469

約数列:

[1, 3, 5, 9, 15, 45, 313, 939, 1511, 1565, 2817, 4533, 4695, 7555, 13599, 14085, 22665, 67995, 472943, 1418829, 2364715, 4256487, 7094145, 21282435]

約数ペア:

[(1, 21282435), (3, 7094145), (5, 4256487), (9, 2364715), (15, 1418829), (45, 472943), (313, 67995), (939, 22665), (1511, 14085), (1565, 13599), (2817, 7555), (4533, 4695)]