21058548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8087}}^1$

素因数の和:8132

約数の個数: 48

約数和(自身を含む): 57974784

約数和(自身を除く): 36916236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 8087, 16174, 24261, 32348, 48522, 56609, 97044, 113218, 169827, 226436, 250697, 339654, 501394, 679308, 752091, 1002788, 1504182, 1754879, 3008364, 3509758, 5264637, 7019516, 10529274, 21058548]

約数ペア:

[(1, 21058548), (2, 10529274), (3, 7019516), (4, 5264637), (6, 3509758), (7, 3008364), (12, 1754879), (14, 1504182), (21, 1002788), (28, 752091), (31, 679308), (42, 501394), (62, 339654), (84, 250697), (93, 226436), (124, 169827), (186, 113218), (217, 97044), (372, 56609), (434, 48522), (651, 32348), (868, 24261), (1302, 16174), (2604, 8087)]