21846968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{113}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 48837600

約数和(自身を除く): 26990632

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 113, 143, 169, 226, 286, 338, 452, 572, 676, 904, 1144, 1243, 1352, 1469, 1859, 2197, 2486, 2938, 3718, 4394, 4972, 5876, 7436, 8788, 9944, 11752, 14872, 16159, 17576, 19097, 24167, 32318, 38194, 48334, 64636, 76388, 96668, 129272, 152776, 193336, 210067, 248261, 420134, 496522, 840268, 993044, 1680536, 1986088, 2730871, 5461742, 10923484, 21846968]

約数ペア:

[(1, 21846968), (2, 10923484), (4, 5461742), (8, 2730871), (11, 1986088), (13, 1680536), (22, 993044), (26, 840268), (44, 496522), (52, 420134), (88, 248261), (104, 210067), (113, 193336), (143, 152776), (169, 129272), (226, 96668), (286, 76388), (338, 64636), (452, 48334), (572, 38194), (676, 32318), (904, 24167), (1144, 19097), (1243, 17576), (1352, 16159), (1469, 14872), (1859, 11752), (2197, 9944), (2486, 8788), (2938, 7436), (3718, 5876), (4394, 4972)]