21149282

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{853}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 42057792

約数和(自身を除く): 20908510

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 49, 77, 98, 154, 161, 253, 322, 506, 539, 853, 1078, 1127, 1706, 1771, 2254, 3542, 5971, 9383, 11942, 12397, 18766, 19619, 24794, 39238, 41797, 65681, 83594, 131362, 137333, 215809, 274666, 431618, 459767, 919534, 961331, 1510663, 1922662, 3021326, 10574641, 21149282]

約数ペア:

[(1, 21149282), (2, 10574641), (7, 3021326), (11, 1922662), (14, 1510663), (22, 961331), (23, 919534), (46, 459767), (49, 431618), (77, 274666), (98, 215809), (154, 137333), (161, 131362), (253, 83594), (322, 65681), (506, 41797), (539, 39238), (853, 24794), (1078, 19619), (1127, 18766), (1706, 12397), (1771, 11942), (2254, 9383), (3542, 5971)]