21977616

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^2\times {\mathrm{163}}^1$

素因数の和:280

約数の個数: 60

約数和(自身を含む): 58221968

約数和(自身を除く): 36244352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 163, 212, 318, 326, 424, 489, 636, 652, 848, 978, 1272, 1304, 1956, 2544, 2608, 2809, 3912, 5618, 7824, 8427, 8639, 11236, 16854, 17278, 22472, 25917, 33708, 34556, 44944, 51834, 67416, 69112, 103668, 134832, 138224, 207336, 414672, 457867, 915734, 1373601, 1831468, 2747202, 3662936, 5494404, 7325872, 10988808, 21977616]

約数ペア:

[(1, 21977616), (2, 10988808), (3, 7325872), (4, 5494404), (6, 3662936), (8, 2747202), (12, 1831468), (16, 1373601), (24, 915734), (48, 457867), (53, 414672), (106, 207336), (159, 138224), (163, 134832), (212, 103668), (318, 69112), (326, 67416), (424, 51834), (489, 44944), (636, 34556), (652, 33708), (848, 25917), (978, 22472), (1272, 17278), (1304, 16854), (1956, 11236), (2544, 8639), (2608, 8427), (2809, 7824), (3912, 5618)]