21958794

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:500

約数の個数: 96

約数和(自身を含む): 58968000

約数和(自身を除く): 37009206

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 19, 22, 26, 33, 38, 39, 57, 66, 78, 99, 114, 117, 143, 171, 198, 209, 234, 247, 286, 342, 418, 429, 449, 494, 627, 741, 858, 898, 1254, 1287, 1347, 1482, 1881, 2223, 2574, 2694, 2717, 3762, 4041, 4446, 4939, 5434, 5837, 8082, 8151, 8531, 9878, 11674, 14817, 16302, 17062, 17511, 24453, 25593, 29634, 35022, 44451, 48906, 51186, 52533, 64207, 76779, 88902, 93841, 105066, 110903, 128414, 153558, 187682, 192621, 221806, 281523, 332709, 385242, 563046, 577863, 665418, 844569, 998127, 1155726, 1219933, 1689138, 1996254, 2439866, 3659799, 7319598, 10979397, 21958794]

約数ペア:

[(1, 21958794), (2, 10979397), (3, 7319598), (6, 3659799), (9, 2439866), (11, 1996254), (13, 1689138), (18, 1219933), (19, 1155726), (22, 998127), (26, 844569), (33, 665418), (38, 577863), (39, 563046), (57, 385242), (66, 332709), (78, 281523), (99, 221806), (114, 192621), (117, 187682), (143, 153558), (171, 128414), (198, 110903), (209, 105066), (234, 93841), (247, 88902), (286, 76779), (342, 64207), (418, 52533), (429, 51186), (449, 48906), (494, 44451), (627, 35022), (741, 29634), (858, 25593), (898, 24453), (1254, 17511), (1287, 17062), (1347, 16302), (1482, 14817), (1881, 11674), (2223, 9878), (2574, 8531), (2694, 8151), (2717, 8082), (3762, 5837), (4041, 5434), (4446, 4939)]