21373095

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1511}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 15205209

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 1511, 2829, 4533, 4715, 7555, 14145, 22665, 34753, 61951, 104259, 173765, 185853, 309755, 521295, 929265, 1424873, 4274619, 7124365, 21373095]

約数ペア:

[(1, 21373095), (3, 7124365), (5, 4274619), (15, 1424873), (23, 929265), (41, 521295), (69, 309755), (115, 185853), (123, 173765), (205, 104259), (345, 61951), (615, 34753), (943, 22665), (1511, 14145), (2829, 7555), (4533, 4715)]