21900636

素因数分解:

$2^2\times 3^2\times {\mathrm{773}}^1\times {\mathrm{787}}^1$

素因数の和:1570

約数の個数: 36

約数和(自身を含む): 55501992

約数和(自身を除く): 33601356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 773, 787, 1546, 1574, 2319, 2361, 3092, 3148, 4638, 4722, 6957, 7083, 9276, 9444, 13914, 14166, 27828, 28332, 608351, 1216702, 1825053, 2433404, 3650106, 5475159, 7300212, 10950318, 21900636]

約数ペア:

[(1, 21900636), (2, 10950318), (3, 7300212), (4, 5475159), (6, 3650106), (9, 2433404), (12, 1825053), (18, 1216702), (36, 608351), (773, 28332), (787, 27828), (1546, 14166), (1574, 13914), (2319, 9444), (2361, 9276), (3092, 7083), (3148, 6957), (4638, 4722)]