21237822

素因数分解:

$2^1\times 3^3\times {\mathrm{547}}^1\times {\mathrm{719}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 47347200

約数和(自身を除く): 26109378

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 547, 719, 1094, 1438, 1641, 2157, 3282, 4314, 4923, 6471, 9846, 12942, 14769, 19413, 29538, 38826, 393293, 786586, 1179879, 2359758, 3539637, 7079274, 10618911, 21237822]

約数ペア:

[(1, 21237822), (2, 10618911), (3, 7079274), (6, 3539637), (9, 2359758), (18, 1179879), (27, 786586), (54, 393293), (547, 38826), (719, 29538), (1094, 19413), (1438, 14769), (1641, 12942), (2157, 9846), (3282, 6471), (4314, 4923)]