21672240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1237}}^1$

素因数の和:1326

約数の個数: 80

約数和(自身を含む): 68159328

約数和(自身を除く): 46487088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1237, 1460, 1752, 2190, 2474, 2920, 3504, 3711, 4380, 4948, 5840, 6185, 7422, 8760, 9896, 12370, 14844, 17520, 18555, 19792, 24740, 29688, 37110, 49480, 59376, 74220, 90301, 98960, 148440, 180602, 270903, 296880, 361204, 451505, 541806, 722408, 903010, 1083612, 1354515, 1444816, 1806020, 2167224, 2709030, 3612040, 4334448, 5418060, 7224080, 10836120, 21672240]

約数ペア:

[(1, 21672240), (2, 10836120), (3, 7224080), (4, 5418060), (5, 4334448), (6, 3612040), (8, 2709030), (10, 2167224), (12, 1806020), (15, 1444816), (16, 1354515), (20, 1083612), (24, 903010), (30, 722408), (40, 541806), (48, 451505), (60, 361204), (73, 296880), (80, 270903), (120, 180602), (146, 148440), (219, 98960), (240, 90301), (292, 74220), (365, 59376), (438, 49480), (584, 37110), (730, 29688), (876, 24740), (1095, 19792), (1168, 18555), (1237, 17520), (1460, 14844), (1752, 12370), (2190, 9896), (2474, 8760), (2920, 7422), (3504, 6185), (3711, 5840), (4380, 4948)]