21023150

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 41434848

約数和(自身を除く): 20411698

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 101, 115, 181, 202, 230, 362, 505, 575, 905, 1010, 1150, 1810, 2323, 2525, 4163, 4525, 4646, 5050, 8326, 9050, 11615, 18281, 20815, 23230, 36562, 41630, 58075, 91405, 104075, 116150, 182810, 208150, 420463, 457025, 840926, 914050, 2102315, 4204630, 10511575, 21023150]

約数ペア:

[(1, 21023150), (2, 10511575), (5, 4204630), (10, 2102315), (23, 914050), (25, 840926), (46, 457025), (50, 420463), (101, 208150), (115, 182810), (181, 116150), (202, 104075), (230, 91405), (362, 58075), (505, 41630), (575, 36562), (905, 23230), (1010, 20815), (1150, 18281), (1810, 11615), (2323, 9050), (2525, 8326), (4163, 5050), (4525, 4646)]