21418272

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2399}}^1$

素因数の和:2446

約数の個数: 72

約数和(自身を含む): 62899200

約数和(自身を除く): 41480928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2399, 2976, 4464, 4798, 7197, 8928, 9596, 14394, 19192, 21591, 28788, 38384, 43182, 57576, 74369, 76768, 86364, 115152, 148738, 172728, 223107, 230304, 297476, 345456, 446214, 594952, 669321, 690912, 892428, 1189904, 1338642, 1784856, 2379808, 2677284, 3569712, 5354568, 7139424, 10709136, 21418272]

約数ペア:

[(1, 21418272), (2, 10709136), (3, 7139424), (4, 5354568), (6, 3569712), (8, 2677284), (9, 2379808), (12, 1784856), (16, 1338642), (18, 1189904), (24, 892428), (31, 690912), (32, 669321), (36, 594952), (48, 446214), (62, 345456), (72, 297476), (93, 230304), (96, 223107), (124, 172728), (144, 148738), (186, 115152), (248, 86364), (279, 76768), (288, 74369), (372, 57576), (496, 43182), (558, 38384), (744, 28788), (992, 21591), (1116, 19192), (1488, 14394), (2232, 9596), (2399, 8928), (2976, 7197), (4464, 4798)]