21134570752

素因数分解:

$2^8\times {\mathrm{661}}^1\times {\mathrm{124897}}^1$

素因数の和:125574

約数の個数: 36

約数和(自身を含む): 42250745236

約数和(自身を除く): 21116174484

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 661, 1322, 2644, 5288, 10576, 21152, 42304, 84608, 124897, 169216, 249794, 499588, 999176, 1998352, 3996704, 7993408, 15986816, 31973632, 82556917, 165113834, 330227668, 660455336, 1320910672, 2641821344, 5283642688, 10567285376, 21134570752]

約数ペア:

[(1, 21134570752), (2, 10567285376), (4, 5283642688), (8, 2641821344), (16, 1320910672), (32, 660455336), (64, 330227668), (128, 165113834), (256, 82556917), (661, 31973632), (1322, 15986816), (2644, 7993408), (5288, 3996704), (10576, 1998352), (21152, 999176), (42304, 499588), (84608, 249794), (124897, 169216)]