21779532

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 57513456

約数和(自身を除く): 35733924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 83, 111, 148, 166, 197, 222, 249, 332, 333, 394, 444, 498, 591, 666, 747, 788, 996, 1182, 1332, 1494, 1773, 2364, 2988, 3071, 3546, 6142, 7092, 7289, 9213, 12284, 14578, 16351, 18426, 21867, 27639, 29156, 32702, 36852, 43734, 49053, 55278, 65404, 65601, 87468, 98106, 110556, 131202, 147159, 196212, 262404, 294318, 588636, 604987, 1209974, 1814961, 2419948, 3629922, 5444883, 7259844, 10889766, 21779532]

約数ペア:

[(1, 21779532), (2, 10889766), (3, 7259844), (4, 5444883), (6, 3629922), (9, 2419948), (12, 1814961), (18, 1209974), (36, 604987), (37, 588636), (74, 294318), (83, 262404), (111, 196212), (148, 147159), (166, 131202), (197, 110556), (222, 98106), (249, 87468), (332, 65601), (333, 65404), (394, 55278), (444, 49053), (498, 43734), (591, 36852), (666, 32702), (747, 29156), (788, 27639), (996, 21867), (1182, 18426), (1332, 16351), (1494, 14578), (1773, 12284), (2364, 9213), (2988, 7289), (3071, 7092), (3546, 6142)]