21030120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58417}}^1$

素因数の和:58434

約数の個数: 48

約数和(自身を含む): 68349060

約数和(自身を除く): 47318940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58417, 116834, 175251, 233668, 292085, 350502, 467336, 525753, 584170, 701004, 876255, 1051506, 1168340, 1402008, 1752510, 2103012, 2336680, 2628765, 3505020, 4206024, 5257530, 7010040, 10515060, 21030120]

約数ペア:

[(1, 21030120), (2, 10515060), (3, 7010040), (4, 5257530), (5, 4206024), (6, 3505020), (8, 2628765), (9, 2336680), (10, 2103012), (12, 1752510), (15, 1402008), (18, 1168340), (20, 1051506), (24, 876255), (30, 701004), (36, 584170), (40, 525753), (45, 467336), (60, 350502), (72, 292085), (90, 233668), (120, 175251), (180, 116834), (360, 58417)]