21536208

素因数分解:

$2^4\times 3^2\times {\mathrm{347}}^1\times {\mathrm{431}}^1$

素因数の和:792

約数の個数: 60

約数和(自身を含む): 60585408

約数和(自身を除く): 39049200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 347, 431, 694, 862, 1041, 1293, 1388, 1724, 2082, 2586, 2776, 3123, 3448, 3879, 4164, 5172, 5552, 6246, 6896, 7758, 8328, 10344, 12492, 15516, 16656, 20688, 24984, 31032, 49968, 62064, 149557, 299114, 448671, 598228, 897342, 1196456, 1346013, 1794684, 2392912, 2692026, 3589368, 5384052, 7178736, 10768104, 21536208]

約数ペア:

[(1, 21536208), (2, 10768104), (3, 7178736), (4, 5384052), (6, 3589368), (8, 2692026), (9, 2392912), (12, 1794684), (16, 1346013), (18, 1196456), (24, 897342), (36, 598228), (48, 448671), (72, 299114), (144, 149557), (347, 62064), (431, 49968), (694, 31032), (862, 24984), (1041, 20688), (1293, 16656), (1388, 15516), (1724, 12492), (2082, 10344), (2586, 8328), (2776, 7758), (3123, 6896), (3448, 6246), (3879, 5552), (4164, 5172)]