21880452832

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1375783}}^1$

素因数の和:1375871

約数の個数: 48

約数和(自身を含む): 49924449792

約数和(自身を除く): 28043996960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1988, 2272, 3976, 7952, 15904, 1375783, 2751566, 5503132, 9630481, 11006264, 19260962, 22012528, 38521924, 44025056, 77043848, 97680593, 154087696, 195361186, 308175392, 390722372, 683764151, 781444744, 1367528302, 1562889488, 2735056604, 3125778976, 5470113208, 10940226416, 21880452832]

約数ペア:

[(1, 21880452832), (2, 10940226416), (4, 5470113208), (7, 3125778976), (8, 2735056604), (14, 1562889488), (16, 1367528302), (28, 781444744), (32, 683764151), (56, 390722372), (71, 308175392), (112, 195361186), (142, 154087696), (224, 97680593), (284, 77043848), (497, 44025056), (568, 38521924), (994, 22012528), (1136, 19260962), (1988, 11006264), (2272, 9630481), (3976, 5503132), (7952, 2751566), (15904, 1375783)]