21092460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{839}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 59270400

約数和(自身を除く): 38177940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 419, 838, 839, 1257, 1676, 1678, 2095, 2514, 2517, 3356, 4190, 4195, 5028, 5034, 6285, 8380, 8390, 10068, 12570, 12585, 16780, 25140, 25170, 50340, 351541, 703082, 1054623, 1406164, 1757705, 2109246, 3515410, 4218492, 5273115, 7030820, 10546230, 21092460]

約数ペア:

[(1, 21092460), (2, 10546230), (3, 7030820), (4, 5273115), (5, 4218492), (6, 3515410), (10, 2109246), (12, 1757705), (15, 1406164), (20, 1054623), (30, 703082), (60, 351541), (419, 50340), (838, 25170), (839, 25140), (1257, 16780), (1676, 12585), (1678, 12570), (2095, 10068), (2514, 8390), (2517, 8380), (3356, 6285), (4190, 5034), (4195, 5028)]