21063590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1879}}^1$

素因数の和:1964

約数の個数: 32

約数和(自身を含む): 40608000

約数和(自身を除く): 19544410

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 295, 590, 1121, 1879, 2242, 3758, 5605, 9395, 11210, 18790, 35701, 71402, 110861, 178505, 221722, 357010, 554305, 1108610, 2106359, 4212718, 10531795, 21063590]

約数ペア:

[(1, 21063590), (2, 10531795), (5, 4212718), (10, 2106359), (19, 1108610), (38, 554305), (59, 357010), (95, 221722), (118, 178505), (190, 110861), (295, 71402), (590, 35701), (1121, 18790), (1879, 11210), (2242, 9395), (3758, 5605)]