21119760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29333}}^1$

素因数の和:29352

約数の個数: 60

約数和(自身を含む): 70929612

約数和(自身を除く): 49809852

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29333, 58666, 87999, 117332, 146665, 175998, 234664, 263997, 293330, 351996, 439995, 469328, 527994, 586660, 703992, 879990, 1055988, 1173320, 1319985, 1407984, 1759980, 2111976, 2346640, 2639970, 3519960, 4223952, 5279940, 7039920, 10559880, 21119760]

約数ペア:

[(1, 21119760), (2, 10559880), (3, 7039920), (4, 5279940), (5, 4223952), (6, 3519960), (8, 2639970), (9, 2346640), (10, 2111976), (12, 1759980), (15, 1407984), (16, 1319985), (18, 1173320), (20, 1055988), (24, 879990), (30, 703992), (36, 586660), (40, 527994), (45, 469328), (48, 439995), (60, 351996), (72, 293330), (80, 263997), (90, 234664), (120, 175998), (144, 146665), (180, 117332), (240, 87999), (360, 58666), (720, 29333)]