21329520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88873}}^1$

素因数の和:88889

約数の個数: 40

約数和(自身を含む): 66122256

約数和(自身を除く): 44792736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88873, 177746, 266619, 355492, 444365, 533238, 710984, 888730, 1066476, 1333095, 1421968, 1777460, 2132952, 2666190, 3554920, 4265904, 5332380, 7109840, 10664760, 21329520]

約数ペア:

[(1, 21329520), (2, 10664760), (3, 7109840), (4, 5332380), (5, 4265904), (6, 3554920), (8, 2666190), (10, 2132952), (12, 1777460), (15, 1421968), (16, 1333095), (20, 1066476), (24, 888730), (30, 710984), (40, 533238), (48, 444365), (60, 355492), (80, 266619), (120, 177746), (240, 88873)]