21490149139

素因数分解:

${\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{7523}}^1$

素因数の和:7795

約数の個数: 24

約数和(自身を含む): 23357415312

約数和(自身を除く): 1867266173

約数列:

[1, 19, 41, 193, 361, 779, 3667, 7523, 7913, 14801, 69673, 142937, 150347, 308443, 1451939, 2715803, 2856593, 5860417, 27586841, 59529499, 111347923, 524149979, 1131060481, 21490149139]

約数ペア:

[(1, 21490149139), (19, 1131060481), (41, 524149979), (193, 111347923), (361, 59529499), (779, 27586841), (3667, 5860417), (7523, 2856593), (7913, 2715803), (14801, 1451939), (69673, 308443), (142937, 150347)]