21947040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{15241}}^1$

素因数の和:15262

約数の個数: 72

約数和(自身を含む): 74899188

約数和(自身を除く): 52952148

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 15241, 30482, 45723, 60964, 76205, 91446, 121928, 137169, 152410, 182892, 228615, 243856, 274338, 304820, 365784, 457230, 487712, 548676, 609640, 685845, 731568, 914460, 1097352, 1219280, 1371690, 1463136, 1828920, 2194704, 2438560, 2743380, 3657840, 4389408, 5486760, 7315680, 10973520, 21947040]

約数ペア:

[(1, 21947040), (2, 10973520), (3, 7315680), (4, 5486760), (5, 4389408), (6, 3657840), (8, 2743380), (9, 2438560), (10, 2194704), (12, 1828920), (15, 1463136), (16, 1371690), (18, 1219280), (20, 1097352), (24, 914460), (30, 731568), (32, 685845), (36, 609640), (40, 548676), (45, 487712), (48, 457230), (60, 365784), (72, 304820), (80, 274338), (90, 243856), (96, 228615), (120, 182892), (144, 152410), (160, 137169), (180, 121928), (240, 91446), (288, 76205), (360, 60964), (480, 45723), (720, 30482), (1440, 15241)]