21093044308

素因数分解:

$2^2\times 7^4\times {\mathrm{401}}^1\times {\mathrm{5477}}^1$

素因数の和:5910

約数の個数: 60

約数和(自身を含む): 43177672692

約数和(自身を除く): 22084628384

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 401, 686, 802, 1372, 1604, 2401, 2807, 4802, 5477, 5614, 9604, 10954, 11228, 19649, 21908, 38339, 39298, 76678, 78596, 137543, 153356, 268373, 275086, 536746, 550172, 962801, 1073492, 1878611, 1925602, 2196277, 3757222, 3851204, 4392554, 7514444, 8785108, 13150277, 15373939, 26300554, 30747878, 52601108, 61495756, 107617573, 215235146, 430470292, 753323011, 1506646022, 3013292044, 5273261077, 10546522154, 21093044308]

約数ペア:

[(1, 21093044308), (2, 10546522154), (4, 5273261077), (7, 3013292044), (14, 1506646022), (28, 753323011), (49, 430470292), (98, 215235146), (196, 107617573), (343, 61495756), (401, 52601108), (686, 30747878), (802, 26300554), (1372, 15373939), (1604, 13150277), (2401, 8785108), (2807, 7514444), (4802, 4392554), (5477, 3851204), (5614, 3757222), (9604, 2196277), (10954, 1925602), (11228, 1878611), (19649, 1073492), (21908, 962801), (38339, 550172), (39298, 536746), (76678, 275086), (78596, 268373), (137543, 153356)]