21428410

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{617}}^1$

素因数の和:798

約数の個数: 32

約数和(自身を含む): 40580352

約数和(自身を除く): 19151942

約数列:

[1, 2, 5, 10, 23, 46, 115, 151, 230, 302, 617, 755, 1234, 1510, 3085, 3473, 6170, 6946, 14191, 17365, 28382, 34730, 70955, 93167, 141910, 186334, 465835, 931670, 2142841, 4285682, 10714205, 21428410]

約数ペア:

[(1, 21428410), (2, 10714205), (5, 4285682), (10, 2142841), (23, 931670), (46, 465835), (115, 186334), (151, 141910), (230, 93167), (302, 70955), (617, 34730), (755, 28382), (1234, 17365), (1510, 14191), (3085, 6946), (3473, 6170)]