21465072

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{6481}}^1$

素因数の和:6518

約数の個数: 60

約数和(自身を含む): 62693904

約数和(自身を除く): 41228832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 6481, 12962, 19443, 25924, 38886, 51848, 58329, 77772, 103696, 116658, 149063, 155544, 233316, 298126, 311088, 447189, 466632, 596252, 894378, 933264, 1192504, 1341567, 1788756, 2385008, 2683134, 3577512, 5366268, 7155024, 10732536, 21465072]

約数ペア:

[(1, 21465072), (2, 10732536), (3, 7155024), (4, 5366268), (6, 3577512), (8, 2683134), (9, 2385008), (12, 1788756), (16, 1341567), (18, 1192504), (23, 933264), (24, 894378), (36, 596252), (46, 466632), (48, 447189), (69, 311088), (72, 298126), (92, 233316), (138, 155544), (144, 149063), (184, 116658), (207, 103696), (276, 77772), (368, 58329), (414, 51848), (552, 38886), (828, 25924), (1104, 19443), (1656, 12962), (3312, 6481)]