21267180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:516

約数の個数: 144

約数和(自身を含む): 73592064

約数和(自身を除く): 52324884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 198, 207, 220, 230, 253, 276, 330, 345, 396, 414, 460, 467, 495, 506, 660, 690, 759, 828, 934, 990, 1012, 1035, 1265, 1380, 1401, 1518, 1868, 1980, 2070, 2277, 2335, 2530, 2802, 3036, 3795, 4140, 4203, 4554, 4670, 5060, 5137, 5604, 7005, 7590, 8406, 9108, 9340, 10274, 10741, 11385, 14010, 15180, 15411, 16812, 20548, 21015, 21482, 22770, 25685, 28020, 30822, 32223, 42030, 42964, 45540, 46233, 51370, 53705, 61644, 64446, 77055, 84060, 92466, 96669, 102740, 107410, 118151, 128892, 154110, 161115, 184932, 193338, 214820, 231165, 236302, 308220, 322230, 354453, 386676, 462330, 472604, 483345, 590755, 644460, 708906, 924660, 966690, 1063359, 1181510, 1417812, 1772265, 1933380, 2126718, 2363020, 3544530, 4253436, 5316795, 7089060, 10633590, 21267180]

約数ペア:

[(1, 21267180), (2, 10633590), (3, 7089060), (4, 5316795), (5, 4253436), (6, 3544530), (9, 2363020), (10, 2126718), (11, 1933380), (12, 1772265), (15, 1417812), (18, 1181510), (20, 1063359), (22, 966690), (23, 924660), (30, 708906), (33, 644460), (36, 590755), (44, 483345), (45, 472604), (46, 462330), (55, 386676), (60, 354453), (66, 322230), (69, 308220), (90, 236302), (92, 231165), (99, 214820), (110, 193338), (115, 184932), (132, 161115), (138, 154110), (165, 128892), (180, 118151), (198, 107410), (207, 102740), (220, 96669), (230, 92466), (253, 84060), (276, 77055), (330, 64446), (345, 61644), (396, 53705), (414, 51370), (460, 46233), (467, 45540), (495, 42964), (506, 42030), (660, 32223), (690, 30822), (759, 28020), (828, 25685), (934, 22770), (990, 21482), (1012, 21015), (1035, 20548), (1265, 16812), (1380, 15411), (1401, 15180), (1518, 14010), (1868, 11385), (1980, 10741), (2070, 10274), (2277, 9340), (2335, 9108), (2530, 8406), (2802, 7590), (3036, 7005), (3795, 5604), (4140, 5137), (4203, 5060), (4554, 4670)]