21201444

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1447}}^1$

素因数の和:1505

約数の個数: 72

約数和(自身を含む): 60086208

約数和(自身を除く): 38884764

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 132, 148, 198, 222, 333, 396, 407, 444, 666, 814, 1221, 1332, 1447, 1628, 2442, 2894, 3663, 4341, 4884, 5788, 7326, 8682, 13023, 14652, 15917, 17364, 26046, 31834, 47751, 52092, 53539, 63668, 95502, 107078, 143253, 160617, 191004, 214156, 286506, 321234, 481851, 573012, 588929, 642468, 963702, 1177858, 1766787, 1927404, 2355716, 3533574, 5300361, 7067148, 10600722, 21201444]

約数ペア:

[(1, 21201444), (2, 10600722), (3, 7067148), (4, 5300361), (6, 3533574), (9, 2355716), (11, 1927404), (12, 1766787), (18, 1177858), (22, 963702), (33, 642468), (36, 588929), (37, 573012), (44, 481851), (66, 321234), (74, 286506), (99, 214156), (111, 191004), (132, 160617), (148, 143253), (198, 107078), (222, 95502), (333, 63668), (396, 53539), (407, 52092), (444, 47751), (666, 31834), (814, 26046), (1221, 17364), (1332, 15917), (1447, 14652), (1628, 13023), (2442, 8682), (2894, 7326), (3663, 5788), (4341, 4884)]