21167202500

素因数分解:

$2^2\times 5^4\times {\mathrm{463}}^1\times {\mathrm{18287}}^1$

素因数の和:18774

約数の個数: 60

約数和(自身を含む): 46390950144

約数和(自身を除く): 25223747644

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 463, 500, 625, 926, 1250, 1852, 2315, 2500, 4630, 9260, 11575, 18287, 23150, 36574, 46300, 57875, 73148, 91435, 115750, 182870, 231500, 289375, 365740, 457175, 578750, 914350, 1157500, 1828700, 2285875, 4571750, 8466881, 9143500, 11429375, 16933762, 22858750, 33867524, 42334405, 45717500, 84668810, 169337620, 211672025, 423344050, 846688100, 1058360125, 2116720250, 4233440500, 5291800625, 10583601250, 21167202500]

約数ペア:

[(1, 21167202500), (2, 10583601250), (4, 5291800625), (5, 4233440500), (10, 2116720250), (20, 1058360125), (25, 846688100), (50, 423344050), (100, 211672025), (125, 169337620), (250, 84668810), (463, 45717500), (500, 42334405), (625, 33867524), (926, 22858750), (1250, 16933762), (1852, 11429375), (2315, 9143500), (2500, 8466881), (4630, 4571750), (9260, 2285875), (11575, 1828700), (18287, 1157500), (23150, 914350), (36574, 578750), (46300, 457175), (57875, 365740), (73148, 289375), (91435, 231500), (115750, 182870)]