21000377025

素因数分解:

$3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{924109}}^1$

素因数の和:924226

約数の個数: 36

約数和(自身を含む): 37986465660

約数和(自身を除く): 16986088635

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 101, 225, 303, 505, 909, 1515, 2525, 4545, 7575, 22725, 924109, 2772327, 4620545, 8316981, 13861635, 23102725, 41584905, 69308175, 93335009, 207924525, 280005027, 466675045, 840015081, 1400025135, 2333375225, 4200075405, 7000125675, 21000377025]

約数ペア:

[(1, 21000377025), (3, 7000125675), (5, 4200075405), (9, 2333375225), (15, 1400025135), (25, 840015081), (45, 466675045), (75, 280005027), (101, 207924525), (225, 93335009), (303, 69308175), (505, 41584905), (909, 23102725), (1515, 13861635), (2525, 8316981), (4545, 4620545), (7575, 2772327), (22725, 924109)]