21901121028

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{14148011}}^1$

素因数の和:14148064

約数の個数: 36

約数和(自身を含む): 56648640048

約数和(自身を除く): 34747519020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 14148011, 28296022, 42444033, 56592044, 84888066, 127332099, 169776132, 254664198, 509328396, 608364473, 1216728946, 1825093419, 2433457892, 3650186838, 5475280257, 7300373676, 10950560514, 21901121028]

約数ペア:

[(1, 21901121028), (2, 10950560514), (3, 7300373676), (4, 5475280257), (6, 3650186838), (9, 2433457892), (12, 1825093419), (18, 1216728946), (36, 608364473), (43, 509328396), (86, 254664198), (129, 169776132), (172, 127332099), (258, 84888066), (387, 56592044), (516, 42444033), (774, 28296022), (1548, 14148011)]