21240750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 53673984

約数和(自身を除く): 32433234

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 127, 150, 223, 250, 254, 375, 381, 446, 635, 669, 750, 762, 1115, 1270, 1338, 1905, 2230, 3175, 3345, 3810, 5575, 6350, 6690, 9525, 11150, 15875, 16725, 19050, 27875, 28321, 31750, 33450, 47625, 55750, 56642, 83625, 84963, 95250, 141605, 167250, 169926, 283210, 424815, 708025, 849630, 1416050, 2124075, 3540125, 4248150, 7080250, 10620375, 21240750]

約数ペア:

[(1, 21240750), (2, 10620375), (3, 7080250), (5, 4248150), (6, 3540125), (10, 2124075), (15, 1416050), (25, 849630), (30, 708025), (50, 424815), (75, 283210), (125, 169926), (127, 167250), (150, 141605), (223, 95250), (250, 84963), (254, 83625), (375, 56642), (381, 55750), (446, 47625), (635, 33450), (669, 31750), (750, 28321), (762, 27875), (1115, 19050), (1270, 16725), (1338, 15875), (1905, 11150), (2230, 9525), (3175, 6690), (3345, 6350), (3810, 5575)]