21202920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58897}}^1$

素因数の和:58914

約数の個数: 48

約数和(自身を含む): 68910660

約数和(自身を除く): 47707740

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, 58897, 117794, 176691, 235588, 294485, 353382, 471176, 530073, 588970, 706764, 883455, 1060146, 1177940, 1413528, 1766910, 2120292, 2355880, 2650365, 3533820, 4240584, 5300730, 7067640, 10601460, 21202920]

約数ペア:

[(1, 21202920), (2, 10601460), (3, 7067640), (4, 5300730), (5, 4240584), (6, 3533820), (8, 2650365), (9, 2355880), (10, 2120292), (12, 1766910), (15, 1413528), (18, 1177940), (20, 1060146), (24, 883455), (30, 706764), (36, 588970), (40, 530073), (45, 471176), (60, 353382), (72, 294485), (90, 235588), (120, 176691), (180, 117794), (360, 58897)]