21227415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1013}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 37380096

約数和(自身を除く): 16152681

約数列:

[1, 3, 5, 11, 15, 33, 55, 127, 165, 381, 635, 1013, 1397, 1905, 3039, 4191, 5065, 6985, 11143, 15195, 20955, 33429, 55715, 128651, 167145, 385953, 643255, 1415161, 1929765, 4245483, 7075805, 21227415]

約数ペア:

[(1, 21227415), (3, 7075805), (5, 4245483), (11, 1929765), (15, 1415161), (33, 643255), (55, 385953), (127, 167145), (165, 128651), (381, 55715), (635, 33429), (1013, 20955), (1397, 15195), (1905, 11143), (3039, 6985), (4191, 5065)]