21833348540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{165079}}^1$

素因数の和:165494

約数の個数: 48

約数和(自身を含む): 48672187200

約数和(自身を除く): 26838838660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 389, 778, 1556, 1945, 3890, 6613, 7780, 13226, 26452, 33065, 66130, 132260, 165079, 330158, 660316, 825395, 1650790, 2806343, 3301580, 5612686, 11225372, 14031715, 28063430, 56126860, 64215731, 128431462, 256862924, 321078655, 642157310, 1091667427, 1284314620, 2183334854, 4366669708, 5458337135, 10916674270, 21833348540]

約数ペア:

[(1, 21833348540), (2, 10916674270), (4, 5458337135), (5, 4366669708), (10, 2183334854), (17, 1284314620), (20, 1091667427), (34, 642157310), (68, 321078655), (85, 256862924), (170, 128431462), (340, 64215731), (389, 56126860), (778, 28063430), (1556, 14031715), (1945, 11225372), (3890, 5612686), (6613, 3301580), (7780, 2806343), (13226, 1650790), (26452, 825395), (33065, 660316), (66130, 330158), (132260, 165079)]