21635992

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2593}}^1$

素因数の和:2755

約数の個数: 32

約数和(自身を含む): 46692000

約数和(自身を除く): 25056008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2593, 4172, 5186, 8344, 10372, 18151, 20744, 36302, 72604, 145208, 386357, 772714, 1545428, 2704499, 3090856, 5408998, 10817996, 21635992]

約数ペア:

[(1, 21635992), (2, 10817996), (4, 5408998), (7, 3090856), (8, 2704499), (14, 1545428), (28, 772714), (56, 386357), (149, 145208), (298, 72604), (596, 36302), (1043, 20744), (1192, 18151), (2086, 10372), (2593, 8344), (4172, 5186)]