21000398526

素因数分解:

$2^1\times 3^3\times {\mathrm{89}}^1\times {\mathrm{577}}^1\times {\mathrm{7573}}^1$

素因数の和:8250

約数の個数: 64

約数和(自身を含む): 47279937600

約数和(自身を除く): 26279539074

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 89, 178, 267, 534, 577, 801, 1154, 1602, 1731, 2403, 3462, 4806, 5193, 7573, 10386, 15146, 15579, 22719, 31158, 45438, 51353, 68157, 102706, 136314, 154059, 204471, 308118, 408942, 462177, 673997, 924354, 1347994, 1386531, 2021991, 2773062, 4043982, 4369621, 6065973, 8739242, 12131946, 13108863, 18197919, 26217726, 36395838, 39326589, 78653178, 117979767, 235959534, 388896269, 777792538, 1166688807, 2333377614, 3500066421, 7000132842, 10500199263, 21000398526]

約数ペア:

[(1, 21000398526), (2, 10500199263), (3, 7000132842), (6, 3500066421), (9, 2333377614), (18, 1166688807), (27, 777792538), (54, 388896269), (89, 235959534), (178, 117979767), (267, 78653178), (534, 39326589), (577, 36395838), (801, 26217726), (1154, 18197919), (1602, 13108863), (1731, 12131946), (2403, 8739242), (3462, 6065973), (4806, 4369621), (5193, 4043982), (7573, 2773062), (10386, 2021991), (15146, 1386531), (15579, 1347994), (22719, 924354), (31158, 673997), (45438, 462177), (51353, 408942), (68157, 308118), (102706, 204471), (136314, 154059)]