21090900100

素因数分解:

$2^2\times 5^2\times {\mathrm{463}}^1\times {\mathrm{455527}}^1$

素因数の和:456004

約数の個数: 36

約数和(自身を含む): 45866203264

約数和(自身を除く): 24775303164

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 463, 926, 1852, 2315, 4630, 9260, 11575, 23150, 46300, 455527, 911054, 1822108, 2277635, 4555270, 9110540, 11388175, 22776350, 45552700, 210909001, 421818002, 843636004, 1054545005, 2109090010, 4218180020, 5272725025, 10545450050, 21090900100]

約数ペア:

[(1, 21090900100), (2, 10545450050), (4, 5272725025), (5, 4218180020), (10, 2109090010), (20, 1054545005), (25, 843636004), (50, 421818002), (100, 210909001), (463, 45552700), (926, 22776350), (1852, 11388175), (2315, 9110540), (4630, 4555270), (9260, 2277635), (11575, 1822108), (23150, 911054), (46300, 455527)]