21542148

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 57075200

約数和(自身を除く): 35533052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 97, 124, 186, 194, 199, 279, 291, 372, 388, 398, 558, 582, 597, 796, 873, 1116, 1164, 1194, 1746, 1791, 2388, 3007, 3492, 3582, 6014, 6169, 7164, 9021, 12028, 12338, 18042, 18507, 19303, 24676, 27063, 36084, 37014, 38606, 54126, 55521, 57909, 74028, 77212, 108252, 111042, 115818, 173727, 222084, 231636, 347454, 598393, 694908, 1196786, 1795179, 2393572, 3590358, 5385537, 7180716, 10771074, 21542148]

約数ペア:

[(1, 21542148), (2, 10771074), (3, 7180716), (4, 5385537), (6, 3590358), (9, 2393572), (12, 1795179), (18, 1196786), (31, 694908), (36, 598393), (62, 347454), (93, 231636), (97, 222084), (124, 173727), (186, 115818), (194, 111042), (199, 108252), (279, 77212), (291, 74028), (372, 57909), (388, 55521), (398, 54126), (558, 38606), (582, 37014), (597, 36084), (796, 27063), (873, 24676), (1116, 19303), (1164, 18507), (1194, 18042), (1746, 12338), (1791, 12028), (2388, 9021), (3007, 7164), (3492, 6169), (3582, 6014)]