21835908

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{8543}}^1$

素因数の和:8624

約数の個数: 36

約数和(自身を含む): 55980288

約数和(自身を除く): 34144380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 8543, 17086, 25629, 34172, 51258, 76887, 102516, 153774, 307548, 606553, 1213106, 1819659, 2426212, 3639318, 5458977, 7278636, 10917954, 21835908]

約数ペア:

[(1, 21835908), (2, 10917954), (3, 7278636), (4, 5458977), (6, 3639318), (9, 2426212), (12, 1819659), (18, 1213106), (36, 606553), (71, 307548), (142, 153774), (213, 102516), (284, 76887), (426, 51258), (639, 34172), (852, 25629), (1278, 17086), (2556, 8543)]