21761450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 42854400

約数和(自身を除く): 21092950

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 127, 149, 230, 254, 298, 575, 635, 745, 1150, 1270, 1490, 2921, 3175, 3427, 3725, 5842, 6350, 6854, 7450, 14605, 17135, 18923, 29210, 34270, 37846, 73025, 85675, 94615, 146050, 171350, 189230, 435229, 473075, 870458, 946150, 2176145, 4352290, 10880725, 21761450]

約数ペア:

[(1, 21761450), (2, 10880725), (5, 4352290), (10, 2176145), (23, 946150), (25, 870458), (46, 473075), (50, 435229), (115, 189230), (127, 171350), (149, 146050), (230, 94615), (254, 85675), (298, 73025), (575, 37846), (635, 34270), (745, 29210), (1150, 18923), (1270, 17135), (1490, 14605), (2921, 7450), (3175, 6854), (3427, 6350), (3725, 5842)]