21580884

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:854

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 41923116

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 108, 114, 117, 156, 171, 228, 234, 247, 342, 351, 468, 494, 513, 684, 702, 741, 809, 988, 1026, 1404, 1482, 1618, 2052, 2223, 2427, 2964, 3236, 4446, 4854, 6669, 7281, 8892, 9708, 10517, 13338, 14562, 15371, 21034, 21843, 26676, 29124, 30742, 31551, 42068, 43686, 46113, 61484, 63102, 87372, 92226, 94653, 126204, 138339, 184452, 189306, 199823, 276678, 283959, 378612, 399646, 415017, 553356, 567918, 599469, 799292, 830034, 1135836, 1198938, 1660068, 1798407, 2397876, 3596814, 5395221, 7193628, 10790442, 21580884]

約数ペア:

[(1, 21580884), (2, 10790442), (3, 7193628), (4, 5395221), (6, 3596814), (9, 2397876), (12, 1798407), (13, 1660068), (18, 1198938), (19, 1135836), (26, 830034), (27, 799292), (36, 599469), (38, 567918), (39, 553356), (52, 415017), (54, 399646), (57, 378612), (76, 283959), (78, 276678), (108, 199823), (114, 189306), (117, 184452), (156, 138339), (171, 126204), (228, 94653), (234, 92226), (247, 87372), (342, 63102), (351, 61484), (468, 46113), (494, 43686), (513, 42068), (684, 31551), (702, 30742), (741, 29124), (809, 26676), (988, 21843), (1026, 21034), (1404, 15371), (1482, 14562), (1618, 13338), (2052, 10517), (2223, 9708), (2427, 8892), (2964, 7281), (3236, 6669), (4446, 4854)]