21779226

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{8231}}^1$

素因数の和:8256

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 34527654

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 8231, 16462, 24693, 49386, 57617, 74079, 115234, 148158, 172851, 222237, 345702, 403319, 444474, 518553, 806638, 1037106, 1209957, 1555659, 2419914, 3111318, 3629871, 7259742, 10889613, 21779226]

約数ペア:

[(1, 21779226), (2, 10889613), (3, 7259742), (6, 3629871), (7, 3111318), (9, 2419914), (14, 1555659), (18, 1209957), (21, 1037106), (27, 806638), (42, 518553), (49, 444474), (54, 403319), (63, 345702), (98, 222237), (126, 172851), (147, 148158), (189, 115234), (294, 74079), (378, 57617), (441, 49386), (882, 24693), (1323, 16462), (2646, 8231)]