21251179404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6486929}}^1$

素因数の和:6486959

約数の個数: 72

約数和(自身を含む): 66114790560

約数和(自身を除く): 44863611156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6486929, 12973858, 19460787, 25947716, 38921574, 45408503, 58382361, 77843148, 84330077, 90817006, 116764722, 136225509, 168660154, 181634012, 233529444, 252990231, 272451018, 337320308, 408676527, 505980462, 544902036, 590310539, 758970693, 817353054, 1011960924, 1180621078, 1517941386, 1634706108, 1770931617, 2361242156, 3035882772, 3541863234, 5312794851, 7083726468, 10625589702, 21251179404]

約数ペア:

[(1, 21251179404), (2, 10625589702), (3, 7083726468), (4, 5312794851), (6, 3541863234), (7, 3035882772), (9, 2361242156), (12, 1770931617), (13, 1634706108), (14, 1517941386), (18, 1180621078), (21, 1011960924), (26, 817353054), (28, 758970693), (36, 590310539), (39, 544902036), (42, 505980462), (52, 408676527), (63, 337320308), (78, 272451018), (84, 252990231), (91, 233529444), (117, 181634012), (126, 168660154), (156, 136225509), (182, 116764722), (234, 90817006), (252, 84330077), (273, 77843148), (364, 58382361), (468, 45408503), (546, 38921574), (819, 25947716), (1092, 19460787), (1638, 12973858), (3276, 6486929)]