21867066

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 34742214

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 23, 26, 34, 39, 46, 51, 69, 78, 102, 117, 138, 153, 207, 221, 234, 239, 299, 306, 391, 414, 442, 478, 598, 663, 717, 782, 897, 1173, 1326, 1434, 1794, 1989, 2151, 2346, 2691, 3107, 3519, 3978, 4063, 4302, 5083, 5382, 5497, 6214, 7038, 8126, 9321, 10166, 10994, 12189, 15249, 16491, 18642, 24378, 27963, 30498, 32982, 36567, 45747, 49473, 52819, 55926, 71461, 73134, 91494, 93449, 98946, 105638, 142922, 158457, 186898, 214383, 280347, 316914, 428766, 475371, 560694, 643149, 841041, 950742, 1214837, 1286298, 1682082, 2429674, 3644511, 7289022, 10933533, 21867066]

約数ペア:

[(1, 21867066), (2, 10933533), (3, 7289022), (6, 3644511), (9, 2429674), (13, 1682082), (17, 1286298), (18, 1214837), (23, 950742), (26, 841041), (34, 643149), (39, 560694), (46, 475371), (51, 428766), (69, 316914), (78, 280347), (102, 214383), (117, 186898), (138, 158457), (153, 142922), (207, 105638), (221, 98946), (234, 93449), (239, 91494), (299, 73134), (306, 71461), (391, 55926), (414, 52819), (442, 49473), (478, 45747), (598, 36567), (663, 32982), (717, 30498), (782, 27963), (897, 24378), (1173, 18642), (1326, 16491), (1434, 15249), (1794, 12189), (1989, 10994), (2151, 10166), (2346, 9321), (2691, 8126), (3107, 7038), (3519, 6214), (3978, 5497), (4063, 5382), (4302, 5083)]