21198492

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84121}}^1$

素因数の和:84138

約数の個数: 36

約数和(自身を含む): 61240816

約数和(自身を除く): 40042324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84121, 168242, 252363, 336484, 504726, 588847, 757089, 1009452, 1177694, 1514178, 1766541, 2355388, 3028356, 3533082, 5299623, 7066164, 10599246, 21198492]

約数ペア:

[(1, 21198492), (2, 10599246), (3, 7066164), (4, 5299623), (6, 3533082), (7, 3028356), (9, 2355388), (12, 1766541), (14, 1514178), (18, 1177694), (21, 1009452), (28, 757089), (36, 588847), (42, 504726), (63, 336484), (84, 252363), (126, 168242), (252, 84121)]