21724750

素因数分解:

$2^1\times 5^3\times {\mathrm{67}}^1\times {\mathrm{1297}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 41307552

約数和(自身を除く): 19582802

約数列:

[1, 2, 5, 10, 25, 50, 67, 125, 134, 250, 335, 670, 1297, 1675, 2594, 3350, 6485, 8375, 12970, 16750, 32425, 64850, 86899, 162125, 173798, 324250, 434495, 868990, 2172475, 4344950, 10862375, 21724750]

約数ペア:

[(1, 21724750), (2, 10862375), (5, 4344950), (10, 2172475), (25, 868990), (50, 434495), (67, 324250), (125, 173798), (134, 162125), (250, 86899), (335, 64850), (670, 32425), (1297, 16750), (1675, 12970), (2594, 8375), (3350, 6485)]