21852558

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4447}}^1$

素因数の和:4478

約数の個数: 64

約数和(自身を含む): 59781120

約数和(自身を除く): 37928562

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4447, 4914, 8894, 13341, 26682, 31129, 40023, 57811, 62258, 80046, 93387, 115622, 120069, 173433, 186774, 240138, 280161, 346866, 404677, 520299, 560322, 809354, 840483, 1040598, 1214031, 1560897, 1680966, 2428062, 3121794, 3642093, 7284186, 10926279, 21852558]

約数ペア:

[(1, 21852558), (2, 10926279), (3, 7284186), (6, 3642093), (7, 3121794), (9, 2428062), (13, 1680966), (14, 1560897), (18, 1214031), (21, 1040598), (26, 840483), (27, 809354), (39, 560322), (42, 520299), (54, 404677), (63, 346866), (78, 280161), (91, 240138), (117, 186774), (126, 173433), (182, 120069), (189, 115622), (234, 93387), (273, 80046), (351, 62258), (378, 57811), (546, 40023), (702, 31129), (819, 26682), (1638, 13341), (2457, 8894), (4447, 4914)]