21383904

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^1\times {\mathrm{7681}}^1$

素因数の和:7723

約数の個数: 48

約数和(自身を含む): 58075920

約数和(自身を除く): 36692016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 174, 232, 348, 464, 696, 928, 1392, 2784, 7681, 15362, 23043, 30724, 46086, 61448, 92172, 122896, 184344, 222749, 245792, 368688, 445498, 668247, 737376, 890996, 1336494, 1781992, 2672988, 3563984, 5345976, 7127968, 10691952, 21383904]

約数ペア:

[(1, 21383904), (2, 10691952), (3, 7127968), (4, 5345976), (6, 3563984), (8, 2672988), (12, 1781992), (16, 1336494), (24, 890996), (29, 737376), (32, 668247), (48, 445498), (58, 368688), (87, 245792), (96, 222749), (116, 184344), (174, 122896), (232, 92172), (348, 61448), (464, 46086), (696, 30724), (928, 23043), (1392, 15362), (2784, 7681)]