21495881409

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1\times {\mathrm{2153}}^1$

素因数の和:2737

約数の個数: 32

約数和(自身を含む): 29381111424

約数和(自身を除く): 7885230015

約数列:

[1, 3, 83, 101, 249, 303, 397, 1191, 2153, 6459, 8383, 25149, 32951, 40097, 98853, 120291, 178699, 217453, 536097, 652359, 854741, 2564223, 3328051, 9984153, 18048599, 54145797, 70943503, 86328841, 212830509, 258986523, 7165293803, 21495881409]

約数ペア:

[(1, 21495881409), (3, 7165293803), (83, 258986523), (101, 212830509), (249, 86328841), (303, 70943503), (397, 54145797), (1191, 18048599), (2153, 9984153), (6459, 3328051), (8383, 2564223), (25149, 854741), (32951, 652359), (40097, 536097), (98853, 217453), (120291, 178699)]