21192654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 51351552

約数和(自身を除く): 30158898

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 41, 42, 62, 82, 93, 123, 186, 217, 246, 287, 397, 434, 574, 651, 794, 861, 1191, 1271, 1302, 1722, 2382, 2542, 2779, 3813, 5558, 7626, 8337, 8897, 12307, 16277, 16674, 17794, 24614, 26691, 32554, 36921, 48831, 53382, 73842, 86149, 97662, 113939, 172298, 227878, 258447, 341817, 504587, 516894, 683634, 1009174, 1513761, 3027522, 3532109, 7064218, 10596327, 21192654]

約数ペア:

[(1, 21192654), (2, 10596327), (3, 7064218), (6, 3532109), (7, 3027522), (14, 1513761), (21, 1009174), (31, 683634), (41, 516894), (42, 504587), (62, 341817), (82, 258447), (93, 227878), (123, 172298), (186, 113939), (217, 97662), (246, 86149), (287, 73842), (397, 53382), (434, 48831), (574, 36921), (651, 32554), (794, 26691), (861, 24614), (1191, 17794), (1271, 16674), (1302, 16277), (1722, 12307), (2382, 8897), (2542, 8337), (2779, 7626), (3813, 5558)]