21147504

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{62939}}^1$

素因数の和:62957

約数の個数: 40

約数和(自身を含む): 62436480

約数和(自身を除く): 41288976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 62939, 125878, 188817, 251756, 377634, 440573, 503512, 755268, 881146, 1007024, 1321719, 1510536, 1762292, 2643438, 3021072, 3524584, 5286876, 7049168, 10573752, 21147504]

約数ペア:

[(1, 21147504), (2, 10573752), (3, 7049168), (4, 5286876), (6, 3524584), (7, 3021072), (8, 2643438), (12, 1762292), (14, 1510536), (16, 1321719), (21, 1007024), (24, 881146), (28, 755268), (42, 503512), (48, 440573), (56, 377634), (84, 251756), (112, 188817), (168, 125878), (336, 62939)]