21599580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18947}}^1$

素因数の和:18978

約数の個数: 48

約数和(自身を含む): 63665280

約数和(自身を除く): 42065700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18947, 37894, 56841, 75788, 94735, 113682, 189470, 227364, 284205, 359993, 378940, 568410, 719986, 1079979, 1136820, 1439972, 1799965, 2159958, 3599930, 4319916, 5399895, 7199860, 10799790, 21599580]

約数ペア:

[(1, 21599580), (2, 10799790), (3, 7199860), (4, 5399895), (5, 4319916), (6, 3599930), (10, 2159958), (12, 1799965), (15, 1439972), (19, 1136820), (20, 1079979), (30, 719986), (38, 568410), (57, 378940), (60, 359993), (76, 284205), (95, 227364), (114, 189470), (190, 113682), (228, 94735), (285, 75788), (380, 56841), (570, 37894), (1140, 18947)]