21940416

素因数分解:

$2^6\times 3^3\times {\mathrm{12697}}^1$

素因数の和:12718

約数の個数: 56

約数和(自身を含む): 64505840

約数和(自身を除く): 42565424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 288, 432, 576, 864, 1728, 12697, 25394, 38091, 50788, 76182, 101576, 114273, 152364, 203152, 228546, 304728, 342819, 406304, 457092, 609456, 685638, 812608, 914184, 1218912, 1371276, 1828368, 2437824, 2742552, 3656736, 5485104, 7313472, 10970208, 21940416]

約数ペア:

[(1, 21940416), (2, 10970208), (3, 7313472), (4, 5485104), (6, 3656736), (8, 2742552), (9, 2437824), (12, 1828368), (16, 1371276), (18, 1218912), (24, 914184), (27, 812608), (32, 685638), (36, 609456), (48, 457092), (54, 406304), (64, 342819), (72, 304728), (96, 228546), (108, 203152), (144, 152364), (192, 114273), (216, 101576), (288, 76182), (432, 50788), (576, 38091), (864, 25394), (1728, 12697)]