21850912

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{433}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 45934560

約数和(自身を除く): 24083648

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 83, 152, 166, 304, 332, 433, 608, 664, 866, 1328, 1577, 1732, 2656, 3154, 3464, 6308, 6928, 8227, 12616, 13856, 16454, 25232, 32908, 35939, 50464, 65816, 71878, 131632, 143756, 263264, 287512, 575024, 682841, 1150048, 1365682, 2731364, 5462728, 10925456, 21850912]

約数ペア:

[(1, 21850912), (2, 10925456), (4, 5462728), (8, 2731364), (16, 1365682), (19, 1150048), (32, 682841), (38, 575024), (76, 287512), (83, 263264), (152, 143756), (166, 131632), (304, 71878), (332, 65816), (433, 50464), (608, 35939), (664, 32908), (866, 25232), (1328, 16454), (1577, 13856), (1732, 12616), (2656, 8227), (3154, 6928), (3464, 6308)]