21889216

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:461

約数の個数: 56

約数和(自身を含む): 46817280

約数和(自身を除く): 24928064

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 152, 188, 304, 376, 383, 608, 752, 766, 893, 1216, 1504, 1532, 1786, 3008, 3064, 3572, 6128, 7144, 7277, 12256, 14288, 14554, 18001, 24512, 28576, 29108, 36002, 57152, 58216, 72004, 116432, 144008, 232864, 288016, 342019, 465728, 576032, 684038, 1152064, 1368076, 2736152, 5472304, 10944608, 21889216]

約数ペア:

[(1, 21889216), (2, 10944608), (4, 5472304), (8, 2736152), (16, 1368076), (19, 1152064), (32, 684038), (38, 576032), (47, 465728), (64, 342019), (76, 288016), (94, 232864), (152, 144008), (188, 116432), (304, 72004), (376, 58216), (383, 57152), (608, 36002), (752, 29108), (766, 28576), (893, 24512), (1216, 18001), (1504, 14554), (1532, 14288), (1786, 12256), (3008, 7277), (3064, 7144), (3572, 6128)]