21629580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{1051}}^1$

素因数の和:1084

約数の個数: 96

約数和(自身を含む): 70694400

約数和(自身を除く): 49064820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1051, 1372, 1470, 1715, 2058, 2102, 2940, 3153, 3430, 4116, 4204, 5145, 5255, 6306, 6860, 7357, 10290, 10510, 12612, 14714, 15765, 20580, 21020, 22071, 29428, 31530, 36785, 44142, 51499, 63060, 73570, 88284, 102998, 110355, 147140, 154497, 205996, 220710, 257495, 308994, 360493, 441420, 514990, 617988, 720986, 772485, 1029980, 1081479, 1441972, 1544970, 1802465, 2162958, 3089940, 3604930, 4325916, 5407395, 7209860, 10814790, 21629580]

約数ペア:

[(1, 21629580), (2, 10814790), (3, 7209860), (4, 5407395), (5, 4325916), (6, 3604930), (7, 3089940), (10, 2162958), (12, 1802465), (14, 1544970), (15, 1441972), (20, 1081479), (21, 1029980), (28, 772485), (30, 720986), (35, 617988), (42, 514990), (49, 441420), (60, 360493), (70, 308994), (84, 257495), (98, 220710), (105, 205996), (140, 154497), (147, 147140), (196, 110355), (210, 102998), (245, 88284), (294, 73570), (343, 63060), (420, 51499), (490, 44142), (588, 36785), (686, 31530), (735, 29428), (980, 22071), (1029, 21020), (1051, 20580), (1372, 15765), (1470, 14714), (1715, 12612), (2058, 10510), (2102, 10290), (2940, 7357), (3153, 6860), (3430, 6306), (4116, 5255), (4204, 5145)]