21567135

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1019}}^1$

素因数の和:1127

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 15446625

約数列:

[1, 3, 5, 15, 17, 51, 83, 85, 249, 255, 415, 1019, 1245, 1411, 3057, 4233, 5095, 7055, 15285, 17323, 21165, 51969, 84577, 86615, 253731, 259845, 422885, 1268655, 1437809, 4313427, 7189045, 21567135]

約数ペア:

[(1, 21567135), (3, 7189045), (5, 4313427), (15, 1437809), (17, 1268655), (51, 422885), (83, 259845), (85, 253731), (249, 86615), (255, 84577), (415, 51969), (1019, 21165), (1245, 17323), (1411, 15285), (3057, 7055), (4233, 5095)]