21707952

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 68162304

約数和(自身を除く): 46454352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 53, 56, 69, 84, 92, 106, 112, 138, 159, 161, 168, 184, 212, 276, 318, 322, 336, 368, 371, 424, 483, 552, 636, 644, 742, 848, 966, 1104, 1113, 1219, 1272, 1288, 1484, 1932, 2226, 2438, 2544, 2576, 2809, 2968, 3657, 3864, 4452, 4876, 5618, 5936, 7314, 7728, 8427, 8533, 8904, 9752, 11236, 14628, 16854, 17066, 17808, 19504, 19663, 22472, 25599, 29256, 33708, 34132, 39326, 44944, 51198, 58512, 58989, 64607, 67416, 68264, 78652, 102396, 117978, 129214, 134832, 136528, 157304, 193821, 204792, 235956, 258428, 314608, 387642, 409584, 452249, 471912, 516856, 775284, 904498, 943824, 1033712, 1356747, 1550568, 1808996, 2713494, 3101136, 3617992, 5426988, 7235984, 10853976, 21707952]

約数ペア:

[(1, 21707952), (2, 10853976), (3, 7235984), (4, 5426988), (6, 3617992), (7, 3101136), (8, 2713494), (12, 1808996), (14, 1550568), (16, 1356747), (21, 1033712), (23, 943824), (24, 904498), (28, 775284), (42, 516856), (46, 471912), (48, 452249), (53, 409584), (56, 387642), (69, 314608), (84, 258428), (92, 235956), (106, 204792), (112, 193821), (138, 157304), (159, 136528), (161, 134832), (168, 129214), (184, 117978), (212, 102396), (276, 78652), (318, 68264), (322, 67416), (336, 64607), (368, 58989), (371, 58512), (424, 51198), (483, 44944), (552, 39326), (636, 34132), (644, 33708), (742, 29256), (848, 25599), (966, 22472), (1104, 19663), (1113, 19504), (1219, 17808), (1272, 17066), (1288, 16854), (1484, 14628), (1932, 11236), (2226, 9752), (2438, 8904), (2544, 8533), (2576, 8427), (2809, 7728), (2968, 7314), (3657, 5936), (3864, 5618), (4452, 4876)]