21659850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:524

約数の個数: 72

約数和(自身を含む): 58805760

約数和(自身を除く): 37145910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 127, 150, 225, 254, 379, 381, 450, 635, 758, 762, 1137, 1143, 1270, 1895, 1905, 2274, 2286, 3175, 3411, 3790, 3810, 5685, 5715, 6350, 6822, 9475, 9525, 11370, 11430, 17055, 18950, 19050, 28425, 28575, 34110, 48133, 56850, 57150, 85275, 96266, 144399, 170550, 240665, 288798, 433197, 481330, 721995, 866394, 1203325, 1443990, 2165985, 2406650, 3609975, 4331970, 7219950, 10829925, 21659850]

約数ペア:

[(1, 21659850), (2, 10829925), (3, 7219950), (5, 4331970), (6, 3609975), (9, 2406650), (10, 2165985), (15, 1443990), (18, 1203325), (25, 866394), (30, 721995), (45, 481330), (50, 433197), (75, 288798), (90, 240665), (127, 170550), (150, 144399), (225, 96266), (254, 85275), (379, 57150), (381, 56850), (450, 48133), (635, 34110), (758, 28575), (762, 28425), (1137, 19050), (1143, 18950), (1270, 17055), (1895, 11430), (1905, 11370), (2274, 9525), (2286, 9475), (3175, 6822), (3411, 6350), (3790, 5715), (3810, 5685)]