21729450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4673}}^1$

素因数の和:4719

約数の個数: 48

約数和(自身を含む): 55639296

約数和(自身を除く): 33909846

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 150, 155, 186, 310, 465, 775, 930, 1550, 2325, 4650, 4673, 9346, 14019, 23365, 28038, 46730, 70095, 116825, 140190, 144863, 233650, 289726, 350475, 434589, 700950, 724315, 869178, 1448630, 2172945, 3621575, 4345890, 7243150, 10864725, 21729450]

約数ペア:

[(1, 21729450), (2, 10864725), (3, 7243150), (5, 4345890), (6, 3621575), (10, 2172945), (15, 1448630), (25, 869178), (30, 724315), (31, 700950), (50, 434589), (62, 350475), (75, 289726), (93, 233650), (150, 144863), (155, 140190), (186, 116825), (310, 70095), (465, 46730), (775, 28038), (930, 23365), (1550, 14019), (2325, 9346), (4650, 4673)]