21782340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121013}}^1$

素因数の和:121028

約数の個数: 36

約数和(自身を含む): 66073644

約数和(自身を除く): 44291304

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121013, 242026, 363039, 484052, 605065, 726078, 1089117, 1210130, 1452156, 1815195, 2178234, 2420260, 3630390, 4356468, 5445585, 7260780, 10891170, 21782340]

約数ペア:

[(1, 21782340), (2, 10891170), (3, 7260780), (4, 5445585), (5, 4356468), (6, 3630390), (9, 2420260), (10, 2178234), (12, 1815195), (15, 1452156), (18, 1210130), (20, 1089117), (30, 726078), (36, 605065), (45, 484052), (60, 363039), (90, 242026), (180, 121013)]