21621750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 54632448

約数和(自身を除く): 33010698

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 127, 150, 227, 250, 254, 375, 381, 454, 635, 681, 750, 762, 1135, 1270, 1362, 1905, 2270, 3175, 3405, 3810, 5675, 6350, 6810, 9525, 11350, 15875, 17025, 19050, 28375, 28829, 31750, 34050, 47625, 56750, 57658, 85125, 86487, 95250, 144145, 170250, 172974, 288290, 432435, 720725, 864870, 1441450, 2162175, 3603625, 4324350, 7207250, 10810875, 21621750]

約数ペア:

[(1, 21621750), (2, 10810875), (3, 7207250), (5, 4324350), (6, 3603625), (10, 2162175), (15, 1441450), (25, 864870), (30, 720725), (50, 432435), (75, 288290), (125, 172974), (127, 170250), (150, 144145), (227, 95250), (250, 86487), (254, 85125), (375, 57658), (381, 56750), (454, 47625), (635, 34050), (681, 31750), (750, 28829), (762, 28375), (1135, 19050), (1270, 17025), (1362, 15875), (1905, 11350), (2270, 9525), (3175, 6810), (3405, 6350), (3810, 5675)]