21853711236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{402107}}^1$

素因数の和:402768

約数の個数: 48

約数和(自身を含む): 58366780416

約数和(自身を除く): 36513069180

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 647, 1294, 1941, 2588, 3882, 4529, 7764, 9058, 13587, 18116, 27174, 54348, 402107, 804214, 1206321, 1608428, 2412642, 2814749, 4825284, 5629498, 8444247, 11258996, 16888494, 33776988, 260163229, 520326458, 780489687, 1040652916, 1560979374, 1821142603, 3121958748, 3642285206, 5463427809, 7284570412, 10926855618, 21853711236]

約数ペア:

[(1, 21853711236), (2, 10926855618), (3, 7284570412), (4, 5463427809), (6, 3642285206), (7, 3121958748), (12, 1821142603), (14, 1560979374), (21, 1040652916), (28, 780489687), (42, 520326458), (84, 260163229), (647, 33776988), (1294, 16888494), (1941, 11258996), (2588, 8444247), (3882, 5629498), (4529, 4825284), (7764, 2814749), (9058, 2412642), (13587, 1608428), (18116, 1206321), (27174, 804214), (54348, 402107)]