21753195

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{601}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 36986880

約数和(自身を除く): 15233685

約数列:

[1, 3, 5, 15, 19, 57, 95, 127, 285, 381, 601, 635, 1803, 1905, 2413, 3005, 7239, 9015, 11419, 12065, 34257, 36195, 57095, 76327, 171285, 228981, 381635, 1144905, 1450213, 4350639, 7251065, 21753195]

約数ペア:

[(1, 21753195), (3, 7251065), (5, 4350639), (15, 1450213), (19, 1144905), (57, 381635), (95, 228981), (127, 171285), (285, 76327), (381, 57095), (601, 36195), (635, 34257), (1803, 12065), (1905, 11419), (2413, 9015), (3005, 7239)]