21651616

素因数分解:

$2^5\times 7^1\times {\mathrm{163}}^1\times {\mathrm{593}}^1$

素因数の和:773

約数の個数: 48

約数和(自身を含む): 49097664

約数和(自身を除く): 27446048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 163, 224, 326, 593, 652, 1141, 1186, 1304, 2282, 2372, 2608, 4151, 4564, 4744, 5216, 8302, 9128, 9488, 16604, 18256, 18976, 33208, 36512, 66416, 96659, 132832, 193318, 386636, 676613, 773272, 1353226, 1546544, 2706452, 3093088, 5412904, 10825808, 21651616]

約数ペア:

[(1, 21651616), (2, 10825808), (4, 5412904), (7, 3093088), (8, 2706452), (14, 1546544), (16, 1353226), (28, 773272), (32, 676613), (56, 386636), (112, 193318), (163, 132832), (224, 96659), (326, 66416), (593, 36512), (652, 33208), (1141, 18976), (1186, 18256), (1304, 16604), (2282, 9488), (2372, 9128), (2608, 8302), (4151, 5216), (4564, 4744)]