21122670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:609

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 33309330

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 83, 85, 102, 166, 170, 249, 255, 415, 498, 499, 510, 830, 998, 1245, 1411, 1497, 2490, 2495, 2822, 2994, 4233, 4990, 7055, 7485, 8466, 8483, 14110, 14970, 16966, 21165, 25449, 41417, 42330, 42415, 50898, 82834, 84830, 124251, 127245, 207085, 248502, 254490, 414170, 621255, 704089, 1242510, 1408178, 2112267, 3520445, 4224534, 7040890, 10561335, 21122670]

約数ペア:

[(1, 21122670), (2, 10561335), (3, 7040890), (5, 4224534), (6, 3520445), (10, 2112267), (15, 1408178), (17, 1242510), (30, 704089), (34, 621255), (51, 414170), (83, 254490), (85, 248502), (102, 207085), (166, 127245), (170, 124251), (249, 84830), (255, 82834), (415, 50898), (498, 42415), (499, 42330), (510, 41417), (830, 25449), (998, 21165), (1245, 16966), (1411, 14970), (1497, 14110), (2490, 8483), (2495, 8466), (2822, 7485), (2994, 7055), (4233, 4990)]