21000929436

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{8706853}}^1$

素因数の和:8706930

約数の個数: 36

約数和(自身を含む): 53878012552

約数和(自身を除く): 32877083116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 2412, 8706853, 17413706, 26120559, 34827412, 52241118, 78361677, 104482236, 156723354, 313446708, 583359151, 1166718302, 1750077453, 2333436604, 3500154906, 5250232359, 7000309812, 10500464718, 21000929436]

約数ペア:

[(1, 21000929436), (2, 10500464718), (3, 7000309812), (4, 5250232359), (6, 3500154906), (9, 2333436604), (12, 1750077453), (18, 1166718302), (36, 583359151), (67, 313446708), (134, 156723354), (201, 104482236), (268, 78361677), (402, 52241118), (603, 34827412), (804, 26120559), (1206, 17413706), (2412, 8706853)]