21527703

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1879}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 33238400

約数和(自身を除く): 11710697

約数列:

[1, 3, 9, 19, 57, 67, 171, 201, 603, 1273, 1879, 3819, 5637, 11457, 16911, 35701, 107103, 125893, 321309, 377679, 1133037, 2391967, 7175901, 21527703]

約数ペア:

[(1, 21527703), (3, 7175901), (9, 2391967), (19, 1133037), (57, 377679), (67, 321309), (171, 125893), (201, 107103), (603, 35701), (1273, 16911), (1879, 11457), (3819, 5637)]