21709230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6763}}^1$

素因数の和:6880

約数の個数: 32

約数和(自身を含む): 52596864

約数和(自身を除く): 30887634

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 6763, 13526, 20289, 33815, 40578, 67630, 101445, 202890, 723641, 1447282, 2170923, 3618205, 4341846, 7236410, 10854615, 21709230]

約数ペア:

[(1, 21709230), (2, 10854615), (3, 7236410), (5, 4341846), (6, 3618205), (10, 2170923), (15, 1447282), (30, 723641), (107, 202890), (214, 101445), (321, 67630), (535, 40578), (642, 33815), (1070, 20289), (1605, 13526), (3210, 6763)]