21746296

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19009}}^1$

素因数の和:19039

約数の個数: 32

約数和(自身を含む): 47905200

約数和(自身を除く): 26158904

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 19009, 38018, 76036, 152072, 209099, 247117, 418198, 494234, 836396, 988468, 1672792, 1976936, 2718287, 5436574, 10873148, 21746296]

約数ペア:

[(1, 21746296), (2, 10873148), (4, 5436574), (8, 2718287), (11, 1976936), (13, 1672792), (22, 988468), (26, 836396), (44, 494234), (52, 418198), (88, 247117), (104, 209099), (143, 152072), (286, 76036), (572, 38018), (1144, 19009)]