21094714078

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{827}}^1$

素因数の和:1201

約数の個数: 64

約数和(自身を含む): 34939745280

約数和(自身を除く): 13845031202

約数列:

[1, 2, 17, 34, 43, 73, 86, 146, 239, 478, 731, 827, 1241, 1462, 1654, 2482, 3139, 4063, 6278, 8126, 10277, 14059, 17447, 20554, 28118, 34894, 35561, 53363, 60371, 71122, 106726, 120742, 174709, 197653, 296599, 349418, 395306, 593198, 604537, 750221, 1026307, 1209074, 1500442, 2052614, 2595953, 3360101, 5191906, 6720202, 8499079, 12753757, 14428669, 16998158, 25507514, 28857338, 44131201, 88262402, 144484343, 245287373, 288968686, 490574746, 620432767, 1240865534, 10547357039, 21094714078]

約数ペア:

[(1, 21094714078), (2, 10547357039), (17, 1240865534), (34, 620432767), (43, 490574746), (73, 288968686), (86, 245287373), (146, 144484343), (239, 88262402), (478, 44131201), (731, 28857338), (827, 25507514), (1241, 16998158), (1462, 14428669), (1654, 12753757), (2482, 8499079), (3139, 6720202), (4063, 5191906), (6278, 3360101), (8126, 2595953), (10277, 2052614), (14059, 1500442), (17447, 1209074), (20554, 1026307), (28118, 750221), (34894, 604537), (35561, 593198), (53363, 395306), (60371, 349418), (71122, 296599), (106726, 197653), (120742, 174709)]