21264282

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:489

約数の個数: 80

約数和(自身を含む): 53665920

約数和(自身を除く): 32401638

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 81, 117, 138, 162, 207, 234, 299, 351, 414, 439, 598, 621, 702, 878, 897, 1053, 1242, 1317, 1794, 1863, 2106, 2634, 2691, 3726, 3951, 5382, 5707, 7902, 8073, 10097, 11414, 11853, 16146, 17121, 20194, 23706, 24219, 30291, 34242, 35559, 48438, 51363, 60582, 71118, 90873, 102726, 131261, 154089, 181746, 262522, 272619, 308178, 393783, 462267, 545238, 787566, 817857, 924534, 1181349, 1635714, 2362698, 3544047, 7088094, 10632141, 21264282]

約数ペア:

[(1, 21264282), (2, 10632141), (3, 7088094), (6, 3544047), (9, 2362698), (13, 1635714), (18, 1181349), (23, 924534), (26, 817857), (27, 787566), (39, 545238), (46, 462267), (54, 393783), (69, 308178), (78, 272619), (81, 262522), (117, 181746), (138, 154089), (162, 131261), (207, 102726), (234, 90873), (299, 71118), (351, 60582), (414, 51363), (439, 48438), (598, 35559), (621, 34242), (702, 30291), (878, 24219), (897, 23706), (1053, 20194), (1242, 17121), (1317, 16146), (1794, 11853), (1863, 11414), (2106, 10097), (2634, 8073), (2691, 7902), (3726, 5707), (3951, 5382)]