21294768

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1354

約数の個数: 80

約数和(自身を含む): 61996032

約数和(自身を除く): 40701264

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1301, 1364, 1488, 2046, 2602, 2728, 3903, 4092, 5204, 5456, 7806, 8184, 10408, 14311, 15612, 16368, 20816, 28622, 31224, 40331, 42933, 57244, 62448, 80662, 85866, 114488, 120993, 161324, 171732, 228976, 241986, 322648, 343464, 443641, 483972, 645296, 686928, 887282, 967944, 1330923, 1774564, 1935888, 2661846, 3549128, 5323692, 7098256, 10647384, 21294768]

約数ペア:

[(1, 21294768), (2, 10647384), (3, 7098256), (4, 5323692), (6, 3549128), (8, 2661846), (11, 1935888), (12, 1774564), (16, 1330923), (22, 967944), (24, 887282), (31, 686928), (33, 645296), (44, 483972), (48, 443641), (62, 343464), (66, 322648), (88, 241986), (93, 228976), (124, 171732), (132, 161324), (176, 120993), (186, 114488), (248, 85866), (264, 80662), (341, 62448), (372, 57244), (496, 42933), (528, 40331), (682, 31224), (744, 28622), (1023, 20816), (1301, 16368), (1364, 15612), (1488, 14311), (2046, 10408), (2602, 8184), (2728, 7806), (3903, 5456), (4092, 5204)]