21295605

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1117}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 36062208

約数和(自身を除く): 14766603

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 1117, 1271, 3351, 3813, 5585, 6355, 16755, 19065, 34627, 45797, 103881, 137391, 173135, 228985, 519405, 686955, 1419707, 4259121, 7098535, 21295605]

約数ペア:

[(1, 21295605), (3, 7098535), (5, 4259121), (15, 1419707), (31, 686955), (41, 519405), (93, 228985), (123, 173135), (155, 137391), (205, 103881), (465, 45797), (615, 34627), (1117, 19065), (1271, 16755), (3351, 6355), (3813, 5585)]