21940308

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{5209}}^1$

素因数の和:5238

約数の個数: 60

約数和(自身を含む): 61780180

約数和(自身を除く): 39839872

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 5209, 10418, 15627, 20836, 31254, 46881, 62508, 67717, 93762, 135434, 140643, 187524, 203151, 270868, 281286, 406302, 421929, 562572, 609453, 812604, 843858, 1218906, 1687716, 1828359, 2437812, 3656718, 5485077, 7313436, 10970154, 21940308]

約数ペア:

[(1, 21940308), (2, 10970154), (3, 7313436), (4, 5485077), (6, 3656718), (9, 2437812), (12, 1828359), (13, 1687716), (18, 1218906), (26, 843858), (27, 812604), (36, 609453), (39, 562572), (52, 421929), (54, 406302), (78, 281286), (81, 270868), (108, 203151), (117, 187524), (156, 140643), (162, 135434), (234, 93762), (324, 67717), (351, 62508), (468, 46881), (702, 31254), (1053, 20836), (1404, 15627), (2106, 10418), (4212, 5209)]