21710790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1619}}^1$

素因数の和:1781

約数の個数: 48

約数和(自身を含む): 56862000

約数和(自身を除く): 35151210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1490, 1619, 2235, 2682, 3238, 4470, 4857, 6705, 8095, 9714, 13410, 14571, 16190, 24285, 29142, 48570, 72855, 145710, 241231, 482462, 723693, 1206155, 1447386, 2171079, 2412310, 3618465, 4342158, 7236930, 10855395, 21710790]

約数ペア:

[(1, 21710790), (2, 10855395), (3, 7236930), (5, 4342158), (6, 3618465), (9, 2412310), (10, 2171079), (15, 1447386), (18, 1206155), (30, 723693), (45, 482462), (90, 241231), (149, 145710), (298, 72855), (447, 48570), (745, 29142), (894, 24285), (1341, 16190), (1490, 14571), (1619, 13410), (2235, 9714), (2682, 8095), (3238, 6705), (4470, 4857)]