2021601105

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{210913}}^1$

素因数の和:210998

約数の個数: 32

約数和(自身を含む): 3644593920

約数和(自身を除く): 1622992815

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3195, 9585, 210913, 632739, 1054565, 1898217, 3163695, 5694651, 9491085, 14974823, 28473255, 44924469, 74874115, 134773407, 224622345, 404320221, 673867035, 2021601105]

約数ペア:

[(1, 2021601105), (3, 673867035), (5, 404320221), (9, 224622345), (15, 134773407), (27, 74874115), (45, 44924469), (71, 28473255), (135, 14974823), (213, 9491085), (355, 5694651), (639, 3163695), (1065, 1898217), (1917, 1054565), (3195, 632739), (9585, 210913)]