21572150

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 43590960

約数和(自身を除く): 22018810

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 170, 205, 410, 425, 619, 697, 850, 1025, 1238, 1394, 2050, 3095, 3485, 6190, 6970, 10523, 15475, 17425, 21046, 25379, 30950, 34850, 50758, 52615, 105230, 126895, 253790, 263075, 431443, 526150, 634475, 862886, 1268950, 2157215, 4314430, 10786075, 21572150]

約数ペア:

[(1, 21572150), (2, 10786075), (5, 4314430), (10, 2157215), (17, 1268950), (25, 862886), (34, 634475), (41, 526150), (50, 431443), (82, 263075), (85, 253790), (170, 126895), (205, 105230), (410, 52615), (425, 50758), (619, 34850), (697, 30950), (850, 25379), (1025, 21046), (1238, 17425), (1394, 15475), (2050, 10523), (3095, 6970), (3485, 6190)]