21167232

素因数分解:

$2^7\times 3^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 56712000

約数和(自身を除く): 35544768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 199, 277, 384, 398, 554, 597, 796, 831, 1108, 1194, 1592, 1662, 2216, 2388, 3184, 3324, 4432, 4776, 6368, 6648, 8864, 9552, 12736, 13296, 17728, 19104, 25472, 26592, 35456, 38208, 53184, 55123, 76416, 106368, 110246, 165369, 220492, 330738, 440984, 661476, 881968, 1322952, 1763936, 2645904, 3527872, 5291808, 7055744, 10583616, 21167232]

約数ペア:

[(1, 21167232), (2, 10583616), (3, 7055744), (4, 5291808), (6, 3527872), (8, 2645904), (12, 1763936), (16, 1322952), (24, 881968), (32, 661476), (48, 440984), (64, 330738), (96, 220492), (128, 165369), (192, 110246), (199, 106368), (277, 76416), (384, 55123), (398, 53184), (554, 38208), (597, 35456), (796, 26592), (831, 25472), (1108, 19104), (1194, 17728), (1592, 13296), (1662, 12736), (2216, 9552), (2388, 8864), (3184, 6648), (3324, 6368), (4432, 4776)]