21996636

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 52778880

約数和(自身を除く): 30782244

約数列:

[1, 2, 3, 4, 6, 12, 67, 109, 134, 201, 218, 251, 268, 327, 402, 436, 502, 654, 753, 804, 1004, 1308, 1506, 3012, 7303, 14606, 16817, 21909, 27359, 29212, 33634, 43818, 50451, 54718, 67268, 82077, 87636, 100902, 109436, 164154, 201804, 328308, 1833053, 3666106, 5499159, 7332212, 10998318, 21996636]

約数ペア:

[(1, 21996636), (2, 10998318), (3, 7332212), (4, 5499159), (6, 3666106), (12, 1833053), (67, 328308), (109, 201804), (134, 164154), (201, 109436), (218, 100902), (251, 87636), (268, 82077), (327, 67268), (402, 54718), (436, 50451), (502, 43818), (654, 33634), (753, 29212), (804, 27359), (1004, 21909), (1308, 16817), (1506, 14606), (3012, 7303)]