21282970990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2663701}}^1$

素因数の和:2663772

約数の個数: 32

約数和(自身を含む): 41425893504

約数和(自身を除く): 20142922514

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 3995, 7990, 2663701, 5327402, 13318505, 26637010, 45282917, 90565834, 125193947, 226414585, 250387894, 452829170, 625969735, 1251939470, 2128297099, 4256594198, 10641485495, 21282970990]

約数ペア:

[(1, 21282970990), (2, 10641485495), (5, 4256594198), (10, 2128297099), (17, 1251939470), (34, 625969735), (47, 452829170), (85, 250387894), (94, 226414585), (170, 125193947), (235, 90565834), (470, 45282917), (799, 26637010), (1598, 13318505), (3995, 5327402), (7990, 2663701)]