21270348

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 108

約数和(自身を含む): 62451480

約数和(自身を除く): 41181132

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 121, 132, 171, 198, 209, 228, 242, 257, 342, 363, 396, 418, 484, 514, 627, 684, 726, 771, 836, 1028, 1089, 1254, 1452, 1542, 1881, 2178, 2299, 2313, 2508, 2827, 3084, 3762, 4356, 4598, 4626, 4883, 5654, 6897, 7524, 8481, 9196, 9252, 9766, 11308, 13794, 14649, 16962, 19532, 20691, 25443, 27588, 29298, 31097, 33924, 41382, 43947, 50886, 53713, 58596, 62194, 82764, 87894, 93291, 101772, 107426, 124388, 161139, 175788, 186582, 214852, 279873, 322278, 373164, 483417, 559746, 590843, 644556, 966834, 1119492, 1181686, 1772529, 1933668, 2363372, 3545058, 5317587, 7090116, 10635174, 21270348]

約数ペア:

[(1, 21270348), (2, 10635174), (3, 7090116), (4, 5317587), (6, 3545058), (9, 2363372), (11, 1933668), (12, 1772529), (18, 1181686), (19, 1119492), (22, 966834), (33, 644556), (36, 590843), (38, 559746), (44, 483417), (57, 373164), (66, 322278), (76, 279873), (99, 214852), (114, 186582), (121, 175788), (132, 161139), (171, 124388), (198, 107426), (209, 101772), (228, 93291), (242, 87894), (257, 82764), (342, 62194), (363, 58596), (396, 53713), (418, 50886), (484, 43947), (514, 41382), (627, 33924), (684, 31097), (726, 29298), (771, 27588), (836, 25443), (1028, 20691), (1089, 19532), (1254, 16962), (1452, 14649), (1542, 13794), (1881, 11308), (2178, 9766), (2299, 9252), (2313, 9196), (2508, 8481), (2827, 7524), (3084, 6897), (3762, 5654), (4356, 4883), (4598, 4626)]