21655488

素因数分解:

$2^6\times 3^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 84

約数和(自身を含む): 59621928

約数和(自身を除く): 37966440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 61, 64, 86, 96, 122, 129, 172, 183, 192, 244, 258, 344, 366, 488, 516, 688, 732, 976, 1032, 1376, 1464, 1849, 1952, 2064, 2623, 2752, 2928, 3698, 3904, 4128, 5246, 5547, 5856, 7396, 7869, 8256, 10492, 11094, 11712, 14792, 15738, 20984, 22188, 29584, 31476, 41968, 44376, 59168, 62952, 83936, 88752, 112789, 118336, 125904, 167872, 177504, 225578, 251808, 338367, 355008, 451156, 503616, 676734, 902312, 1353468, 1804624, 2706936, 3609248, 5413872, 7218496, 10827744, 21655488]

約数ペア:

[(1, 21655488), (2, 10827744), (3, 7218496), (4, 5413872), (6, 3609248), (8, 2706936), (12, 1804624), (16, 1353468), (24, 902312), (32, 676734), (43, 503616), (48, 451156), (61, 355008), (64, 338367), (86, 251808), (96, 225578), (122, 177504), (129, 167872), (172, 125904), (183, 118336), (192, 112789), (244, 88752), (258, 83936), (344, 62952), (366, 59168), (488, 44376), (516, 41968), (688, 31476), (732, 29584), (976, 22188), (1032, 20984), (1376, 15738), (1464, 14792), (1849, 11712), (1952, 11094), (2064, 10492), (2623, 8256), (2752, 7869), (2928, 7396), (3698, 5856), (3904, 5547), (4128, 5246)]