21611408

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14843}}^1$

素因数の和:14871

約数の個数: 40

約数和(自身を含む): 51538368

約数和(自身を除く): 29926960

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14843, 29686, 59372, 103901, 118744, 192959, 207802, 237488, 385918, 415604, 771836, 831208, 1350713, 1543672, 1662416, 2701426, 3087344, 5402852, 10805704, 21611408]

約数ペア:

[(1, 21611408), (2, 10805704), (4, 5402852), (7, 3087344), (8, 2701426), (13, 1662416), (14, 1543672), (16, 1350713), (26, 831208), (28, 771836), (52, 415604), (56, 385918), (91, 237488), (104, 207802), (112, 192959), (182, 118744), (208, 103901), (364, 59372), (728, 29686), (1456, 14843)]