21770406

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{24683}}^1$

素因数の和:24705

約数の個数: 36

約数和(自身を含む): 54872532

約数和(自身を除く): 33102126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 24683, 49366, 74049, 148098, 172781, 222147, 345562, 444294, 518343, 1036686, 1209467, 1555029, 2418934, 3110058, 3628401, 7256802, 10885203, 21770406]

約数ペア:

[(1, 21770406), (2, 10885203), (3, 7256802), (6, 3628401), (7, 3110058), (9, 2418934), (14, 1555029), (18, 1209467), (21, 1036686), (42, 518343), (49, 444294), (63, 345562), (98, 222147), (126, 172781), (147, 148098), (294, 74049), (441, 49366), (882, 24683)]