21550950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:678

約数の個数: 72

約数和(自身を含む): 58699368

約数和(自身を除く): 37148418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 83, 90, 150, 166, 225, 249, 415, 450, 498, 577, 747, 830, 1154, 1245, 1494, 1731, 2075, 2490, 2885, 3462, 3735, 4150, 5193, 5770, 6225, 7470, 8655, 10386, 12450, 14425, 17310, 18675, 25965, 28850, 37350, 43275, 47891, 51930, 86550, 95782, 129825, 143673, 239455, 259650, 287346, 431019, 478910, 718365, 862038, 1197275, 1436730, 2155095, 2394550, 3591825, 4310190, 7183650, 10775475, 21550950]

約数ペア:

[(1, 21550950), (2, 10775475), (3, 7183650), (5, 4310190), (6, 3591825), (9, 2394550), (10, 2155095), (15, 1436730), (18, 1197275), (25, 862038), (30, 718365), (45, 478910), (50, 431019), (75, 287346), (83, 259650), (90, 239455), (150, 143673), (166, 129825), (225, 95782), (249, 86550), (415, 51930), (450, 47891), (498, 43275), (577, 37350), (747, 28850), (830, 25965), (1154, 18675), (1245, 17310), (1494, 14425), (1731, 12450), (2075, 10386), (2490, 8655), (2885, 7470), (3462, 6225), (3735, 5770), (4150, 5193)]