21113504

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 43273440

約数和(自身を除く): 22159936

約数列:

[1, 2, 4, 8, 16, 32, 53, 59, 106, 118, 211, 212, 236, 422, 424, 472, 844, 848, 944, 1688, 1696, 1888, 3127, 3376, 6254, 6752, 11183, 12449, 12508, 22366, 24898, 25016, 44732, 49796, 50032, 89464, 99592, 100064, 178928, 199184, 357856, 398368, 659797, 1319594, 2639188, 5278376, 10556752, 21113504]

約数ペア:

[(1, 21113504), (2, 10556752), (4, 5278376), (8, 2639188), (16, 1319594), (32, 659797), (53, 398368), (59, 357856), (106, 199184), (118, 178928), (211, 100064), (212, 99592), (236, 89464), (422, 50032), (424, 49796), (472, 44732), (844, 25016), (848, 24898), (944, 22366), (1688, 12508), (1696, 12449), (1888, 11183), (3127, 6752), (3376, 6254)]