21986173629

素因数分解:

$3^3\times 7^2\times {\mathrm{139}}^1\times {\mathrm{119557}}^1$

素因数の和:119719

約数の個数: 48

約数和(自身を含む): 38162913600

約数和(自身を除く): 16176739971

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 139, 147, 189, 417, 441, 973, 1251, 1323, 2919, 3753, 6811, 8757, 20433, 26271, 61299, 119557, 183897, 358671, 836899, 1076013, 2510697, 3228039, 5858293, 7532091, 16618423, 17574879, 22596273, 49855269, 52724637, 116328961, 149565807, 158173911, 348986883, 448697421, 814302727, 1046960649, 2442908181, 3140881947, 7328724543, 21986173629]

約数ペア:

[(1, 21986173629), (3, 7328724543), (7, 3140881947), (9, 2442908181), (21, 1046960649), (27, 814302727), (49, 448697421), (63, 348986883), (139, 158173911), (147, 149565807), (189, 116328961), (417, 52724637), (441, 49855269), (973, 22596273), (1251, 17574879), (1323, 16618423), (2919, 7532091), (3753, 5858293), (6811, 3228039), (8757, 2510697), (20433, 1076013), (26271, 836899), (61299, 358671), (119557, 183897)]