21304849760

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{848123}}^1$

素因数の和:848295

約数の個数: 48

約数和(自身を含む): 50653357776

約数和(自身を除く): 29348508016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 3140, 5024, 6280, 12560, 25120, 848123, 1696246, 3392492, 4240615, 6784984, 8481230, 13569968, 16962460, 27139936, 33924920, 67849840, 133155311, 135699680, 266310622, 532621244, 665776555, 1065242488, 1331553110, 2130484976, 2663106220, 4260969952, 5326212440, 10652424880, 21304849760]

約数ペア:

[(1, 21304849760), (2, 10652424880), (4, 5326212440), (5, 4260969952), (8, 2663106220), (10, 2130484976), (16, 1331553110), (20, 1065242488), (32, 665776555), (40, 532621244), (80, 266310622), (157, 135699680), (160, 133155311), (314, 67849840), (628, 33924920), (785, 27139936), (1256, 16962460), (1570, 13569968), (2512, 8481230), (3140, 6784984), (5024, 4240615), (6280, 3392492), (12560, 1696246), (25120, 848123)]