21855520

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5939}}^1$

素因数の和:5977

約数の個数: 48

約数和(自身を含む): 53887680

約数和(自身を除く): 32032160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5939, 11878, 23756, 29695, 47512, 59390, 95024, 118780, 136597, 190048, 237560, 273194, 475120, 546388, 682985, 950240, 1092776, 1365970, 2185552, 2731940, 4371104, 5463880, 10927760, 21855520]

約数ペア:

[(1, 21855520), (2, 10927760), (4, 5463880), (5, 4371104), (8, 2731940), (10, 2185552), (16, 1365970), (20, 1092776), (23, 950240), (32, 682985), (40, 546388), (46, 475120), (80, 273194), (92, 237560), (115, 190048), (160, 136597), (184, 118780), (230, 95024), (368, 59390), (460, 47512), (736, 29695), (920, 23756), (1840, 11878), (3680, 5939)]