21234818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1442

約数の個数: 32

約数和(自身を含む): 37592640

約数和(自身を除く): 16357822

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 209, 407, 418, 703, 814, 1373, 1406, 2746, 7733, 15103, 15466, 26087, 30206, 50801, 52174, 101602, 286957, 558811, 573914, 965219, 1117622, 1930438, 10617409, 21234818]

約数ペア:

[(1, 21234818), (2, 10617409), (11, 1930438), (19, 1117622), (22, 965219), (37, 573914), (38, 558811), (74, 286957), (209, 101602), (407, 52174), (418, 50801), (703, 30206), (814, 26087), (1373, 15466), (1406, 15103), (2746, 7733)]