21973196

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 46824960

約数和(自身を除く): 24851764

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 103, 133, 206, 266, 401, 412, 532, 721, 802, 1442, 1604, 1957, 2807, 2884, 3914, 5614, 7619, 7828, 11228, 13699, 15238, 27398, 30476, 41303, 53333, 54796, 82606, 106666, 165212, 213332, 289121, 578242, 784757, 1156484, 1569514, 3139028, 5493299, 10986598, 21973196]

約数ペア:

[(1, 21973196), (2, 10986598), (4, 5493299), (7, 3139028), (14, 1569514), (19, 1156484), (28, 784757), (38, 578242), (76, 289121), (103, 213332), (133, 165212), (206, 106666), (266, 82606), (401, 54796), (412, 53333), (532, 41303), (721, 30476), (802, 27398), (1442, 15238), (1604, 13699), (1957, 11228), (2807, 7828), (2884, 7619), (3914, 5614)]