21227256

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 61776000

約数和(自身を除く): 40548744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 59, 72, 76, 114, 118, 152, 171, 177, 228, 236, 263, 342, 354, 456, 472, 526, 531, 684, 708, 789, 1052, 1062, 1121, 1368, 1416, 1578, 2104, 2124, 2242, 2367, 3156, 3363, 4248, 4484, 4734, 4997, 6312, 6726, 8968, 9468, 9994, 10089, 13452, 14991, 15517, 18936, 19988, 20178, 26904, 29982, 31034, 39976, 40356, 44973, 46551, 59964, 62068, 80712, 89946, 93102, 119928, 124136, 139653, 179892, 186204, 279306, 294823, 359784, 372408, 558612, 589646, 884469, 1117224, 1179292, 1768938, 2358584, 2653407, 3537876, 5306814, 7075752, 10613628, 21227256]

約数ペア:

[(1, 21227256), (2, 10613628), (3, 7075752), (4, 5306814), (6, 3537876), (8, 2653407), (9, 2358584), (12, 1768938), (18, 1179292), (19, 1117224), (24, 884469), (36, 589646), (38, 558612), (57, 372408), (59, 359784), (72, 294823), (76, 279306), (114, 186204), (118, 179892), (152, 139653), (171, 124136), (177, 119928), (228, 93102), (236, 89946), (263, 80712), (342, 62068), (354, 59964), (456, 46551), (472, 44973), (526, 40356), (531, 39976), (684, 31034), (708, 29982), (789, 26904), (1052, 20178), (1062, 19988), (1121, 18936), (1368, 15517), (1416, 14991), (1578, 13452), (2104, 10089), (2124, 9994), (2242, 9468), (2367, 8968), (3156, 6726), (3363, 6312), (4248, 4997), (4484, 4734)]