21983364

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 60540480

約数和(自身を除く): 38557116

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 107, 117, 156, 214, 234, 321, 428, 439, 468, 642, 878, 963, 1284, 1317, 1391, 1756, 1926, 2634, 2782, 3852, 3951, 4173, 5268, 5564, 5707, 7902, 8346, 11414, 12519, 15804, 16692, 17121, 22828, 25038, 34242, 46973, 50076, 51363, 68484, 93946, 102726, 140919, 187892, 205452, 281838, 422757, 563676, 610649, 845514, 1221298, 1691028, 1831947, 2442596, 3663894, 5495841, 7327788, 10991682, 21983364]

約数ペア:

[(1, 21983364), (2, 10991682), (3, 7327788), (4, 5495841), (6, 3663894), (9, 2442596), (12, 1831947), (13, 1691028), (18, 1221298), (26, 845514), (36, 610649), (39, 563676), (52, 422757), (78, 281838), (107, 205452), (117, 187892), (156, 140919), (214, 102726), (234, 93946), (321, 68484), (428, 51363), (439, 50076), (468, 46973), (642, 34242), (878, 25038), (963, 22828), (1284, 17121), (1317, 16692), (1391, 15804), (1756, 12519), (1926, 11414), (2634, 8346), (2782, 7902), (3852, 5707), (3951, 5564), (4173, 5268)]