21211335

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3343}}^1$

素因数の和:3404

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 17311545

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 3343, 6345, 10029, 16715, 30087, 50145, 90261, 150435, 157121, 451305, 471363, 785605, 1414089, 2356815, 4242267, 7070445, 21211335]

約数ペア:

[(1, 21211335), (3, 7070445), (5, 4242267), (9, 2356815), (15, 1414089), (27, 785605), (45, 471363), (47, 451305), (135, 157121), (141, 150435), (235, 90261), (423, 50145), (705, 30087), (1269, 16715), (2115, 10029), (3343, 6345)]