21293568

素因数分解:

$2^9\times 3^2\times {\mathrm{4621}}^1$

素因数の和:4645

約数の個数: 60

約数和(自身を含む): 61467978

約数和(自身を除く): 40174410

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4608, 4621, 9242, 13863, 18484, 27726, 36968, 41589, 55452, 73936, 83178, 110904, 147872, 166356, 221808, 295744, 332712, 443616, 591488, 665424, 887232, 1182976, 1330848, 1774464, 2365952, 2661696, 3548928, 5323392, 7097856, 10646784, 21293568]

約数ペア:

[(1, 21293568), (2, 10646784), (3, 7097856), (4, 5323392), (6, 3548928), (8, 2661696), (9, 2365952), (12, 1774464), (16, 1330848), (18, 1182976), (24, 887232), (32, 665424), (36, 591488), (48, 443616), (64, 332712), (72, 295744), (96, 221808), (128, 166356), (144, 147872), (192, 110904), (256, 83178), (288, 73936), (384, 55452), (512, 41589), (576, 36968), (768, 27726), (1152, 18484), (1536, 13863), (2304, 9242), (4608, 4621)]