21739302

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1523}}^1$

素因数の和:1605

約数の個数: 48

約数和(自身を含む): 51590448

約数和(自身を除く): 29851146

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1523, 1586, 2379, 3046, 4569, 4758, 7137, 9138, 13707, 14274, 19799, 27414, 39598, 59397, 92903, 118794, 178191, 185806, 278709, 356382, 557418, 836127, 1207739, 1672254, 2415478, 3623217, 7246434, 10869651, 21739302]

約数ペア:

[(1, 21739302), (2, 10869651), (3, 7246434), (6, 3623217), (9, 2415478), (13, 1672254), (18, 1207739), (26, 836127), (39, 557418), (61, 356382), (78, 278709), (117, 185806), (122, 178191), (183, 118794), (234, 92903), (366, 59397), (549, 39598), (793, 27414), (1098, 19799), (1523, 14274), (1586, 13707), (2379, 9138), (3046, 7137), (4569, 4758)]