21103086

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{661}}^1$

素因数の和:996

約数の個数: 32

約数和(自身を含む): 44899488

約数和(自身を除く): 23796402

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 313, 626, 661, 939, 1322, 1878, 1983, 3966, 5321, 10642, 11237, 15963, 22474, 31926, 33711, 67422, 206893, 413786, 620679, 1241358, 3517181, 7034362, 10551543, 21103086]

約数ペア:

[(1, 21103086), (2, 10551543), (3, 7034362), (6, 3517181), (17, 1241358), (34, 620679), (51, 413786), (102, 206893), (313, 67422), (626, 33711), (661, 31926), (939, 22474), (1322, 15963), (1878, 11237), (1983, 10642), (3966, 5321)]