21509586

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{170711}}^1$

素因数の和:170726

約数の個数: 24

約数和(自身を含む): 53262144

約数和(自身を除く): 31752558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 170711, 341422, 512133, 1024266, 1194977, 1536399, 2389954, 3072798, 3584931, 7169862, 10754793, 21509586]

約数ペア:

[(1, 21509586), (2, 10754793), (3, 7169862), (6, 3584931), (7, 3072798), (9, 2389954), (14, 1536399), (18, 1194977), (21, 1024266), (42, 512133), (63, 341422), (126, 170711)]