21056556580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2409217}}^1$

素因数の和:2409268

約数の個数: 48

約数和(自身を含む): 48569834880

約数和(自身を除く): 27513278300

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 2409217, 4818434, 9636868, 12046085, 24092170, 45775123, 48184340, 55411991, 91550246, 110823982, 183100492, 221647964, 228875615, 277059955, 457751230, 554119910, 915502460, 1052827829, 1108239820, 2105655658, 4211311316, 5264139145, 10528278290, 21056556580]

約数ペア:

[(1, 21056556580), (2, 10528278290), (4, 5264139145), (5, 4211311316), (10, 2105655658), (19, 1108239820), (20, 1052827829), (23, 915502460), (38, 554119910), (46, 457751230), (76, 277059955), (92, 228875615), (95, 221647964), (115, 183100492), (190, 110823982), (230, 91550246), (380, 55411991), (437, 48184340), (460, 45775123), (874, 24092170), (1748, 12046085), (2185, 9636868), (4370, 4818434), (8740, 2409217)]