21520512244

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{463}}^1\times {\mathrm{659}}^1$

素因数の和:1373

約数の個数: 96

約数和(自身を含む): 47332454400

約数和(自身を除く): 25811942156

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 229, 308, 458, 463, 659, 916, 926, 1318, 1603, 1852, 2519, 2636, 3206, 3241, 4613, 5038, 5093, 6412, 6482, 7249, 9226, 10076, 10186, 12964, 14498, 17633, 18452, 20372, 28996, 35266, 35651, 50743, 70532, 71302, 101486, 106027, 142604, 150911, 202972, 212054, 301822, 305117, 424108, 603644, 610234, 742189, 1056377, 1166297, 1220468, 1484378, 1660021, 2112754, 2135819, 2332594, 2968756, 3320042, 3356287, 4225508, 4271638, 4665188, 6640084, 6712574, 8164079, 8543276, 11620147, 13425148, 16328158, 23240294, 23494009, 32656316, 46480588, 46988018, 69871793, 93976036, 139743586, 279487172, 489102551, 768589723, 978205102, 1537179446, 1956410204, 3074358892, 5380128061, 10760256122, 21520512244]

約数ペア:

[(1, 21520512244), (2, 10760256122), (4, 5380128061), (7, 3074358892), (11, 1956410204), (14, 1537179446), (22, 978205102), (28, 768589723), (44, 489102551), (77, 279487172), (154, 139743586), (229, 93976036), (308, 69871793), (458, 46988018), (463, 46480588), (659, 32656316), (916, 23494009), (926, 23240294), (1318, 16328158), (1603, 13425148), (1852, 11620147), (2519, 8543276), (2636, 8164079), (3206, 6712574), (3241, 6640084), (4613, 4665188), (5038, 4271638), (5093, 4225508), (6412, 3356287), (6482, 3320042), (7249, 2968756), (9226, 2332594), (10076, 2135819), (10186, 2112754), (12964, 1660021), (14498, 1484378), (17633, 1220468), (18452, 1166297), (20372, 1056377), (28996, 742189), (35266, 610234), (35651, 603644), (50743, 424108), (70532, 305117), (71302, 301822), (101486, 212054), (106027, 202972), (142604, 150911)]