21000992145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8696063}}^1$

素因数の和:8696101

約数の個数: 32

約数和(自身を含む): 40071462912

約数和(自身を除く): 19070470767

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8696063, 26088189, 43480315, 60872441, 130440945, 182617323, 200009449, 304362205, 600028347, 913086615, 1000047245, 1400066143, 3000141735, 4200198429, 7000330715, 21000992145]

約数ペア:

[(1, 21000992145), (3, 7000330715), (5, 4200198429), (7, 3000141735), (15, 1400066143), (21, 1000047245), (23, 913086615), (35, 600028347), (69, 304362205), (105, 200009449), (115, 182617323), (161, 130440945), (345, 60872441), (483, 43480315), (805, 26088189), (2415, 8696063)]