21320586

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1051}}^1$

素因数の和:1096

約数の個数: 72

約数和(自身を含む): 56126304

約数和(自身を除く): 34805718

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 98, 126, 138, 147, 161, 207, 294, 322, 414, 441, 483, 882, 966, 1051, 1127, 1449, 2102, 2254, 2898, 3153, 3381, 6306, 6762, 7357, 9459, 10143, 14714, 18918, 20286, 22071, 24173, 44142, 48346, 51499, 66213, 72519, 102998, 132426, 145038, 154497, 169211, 217557, 308994, 338422, 435114, 463491, 507633, 926982, 1015266, 1184477, 1522899, 2368954, 3045798, 3553431, 7106862, 10660293, 21320586]

約数ペア:

[(1, 21320586), (2, 10660293), (3, 7106862), (6, 3553431), (7, 3045798), (9, 2368954), (14, 1522899), (18, 1184477), (21, 1015266), (23, 926982), (42, 507633), (46, 463491), (49, 435114), (63, 338422), (69, 308994), (98, 217557), (126, 169211), (138, 154497), (147, 145038), (161, 132426), (207, 102998), (294, 72519), (322, 66213), (414, 51499), (441, 48346), (483, 44142), (882, 24173), (966, 22071), (1051, 20286), (1127, 18918), (1449, 14714), (2102, 10143), (2254, 9459), (2898, 7357), (3153, 6762), (3381, 6306)]