21034168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{733}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 42014160

約数和(自身を除く): 20979992

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 211, 422, 733, 844, 1466, 1688, 2932, 3587, 5864, 7174, 12461, 14348, 24922, 28696, 49844, 99688, 154663, 309326, 618652, 1237304, 2629271, 5258542, 10517084, 21034168]

約数ペア:

[(1, 21034168), (2, 10517084), (4, 5258542), (8, 2629271), (17, 1237304), (34, 618652), (68, 309326), (136, 154663), (211, 99688), (422, 49844), (733, 28696), (844, 24922), (1466, 14348), (1688, 12461), (2932, 7174), (3587, 5864)]