21234176

素因数分解:

$2^9\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:704

約数の個数: 40

約数和(自身を含む): 43129680

約数和(自身を除く): 21895504

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 256, 268, 512, 536, 619, 1072, 1238, 2144, 2476, 4288, 4952, 8576, 9904, 17152, 19808, 34304, 39616, 41473, 79232, 82946, 158464, 165892, 316928, 331784, 663568, 1327136, 2654272, 5308544, 10617088, 21234176]

約数ペア:

[(1, 21234176), (2, 10617088), (4, 5308544), (8, 2654272), (16, 1327136), (32, 663568), (64, 331784), (67, 316928), (128, 165892), (134, 158464), (256, 82946), (268, 79232), (512, 41473), (536, 39616), (619, 34304), (1072, 19808), (1238, 17152), (2144, 9904), (2476, 8576), (4288, 4952)]