21566340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119813}}^1$

素因数の和:119828

約数の個数: 36

約数和(自身を含む): 65418444

約数和(自身を除く): 43852104

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119813, 239626, 359439, 479252, 599065, 718878, 1078317, 1198130, 1437756, 1797195, 2156634, 2396260, 3594390, 4313268, 5391585, 7188780, 10783170, 21566340]

約数ペア:

[(1, 21566340), (2, 10783170), (3, 7188780), (4, 5391585), (5, 4313268), (6, 3594390), (9, 2396260), (10, 2156634), (12, 1797195), (15, 1437756), (18, 1198130), (20, 1078317), (30, 718878), (36, 599065), (45, 479252), (60, 359439), (90, 239626), (180, 119813)]