21858396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15307}}^1$

素因数の和:15338

約数の個数: 48

約数和(自身を含む): 61721856

約数和(自身を除く): 39863460

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 15307, 30614, 45921, 61228, 91842, 107149, 183684, 214298, 260219, 321447, 428596, 520438, 642894, 780657, 1040876, 1285788, 1561314, 1821533, 3122628, 3643066, 5464599, 7286132, 10929198, 21858396]

約数ペア:

[(1, 21858396), (2, 10929198), (3, 7286132), (4, 5464599), (6, 3643066), (7, 3122628), (12, 1821533), (14, 1561314), (17, 1285788), (21, 1040876), (28, 780657), (34, 642894), (42, 520438), (51, 428596), (68, 321447), (84, 260219), (102, 214298), (119, 183684), (204, 107149), (238, 91842), (357, 61228), (476, 45921), (714, 30614), (1428, 15307)]