21867144

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 59505600

約数和(自身を除く): 37638456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 109, 156, 218, 312, 327, 436, 643, 654, 872, 1286, 1308, 1417, 1929, 2572, 2616, 2834, 3858, 4251, 5144, 5668, 7716, 8359, 8502, 11336, 15432, 16718, 17004, 25077, 33436, 34008, 50154, 66872, 70087, 100308, 140174, 200616, 210261, 280348, 420522, 560696, 841044, 911131, 1682088, 1822262, 2733393, 3644524, 5466786, 7289048, 10933572, 21867144]

約数ペア:

[(1, 21867144), (2, 10933572), (3, 7289048), (4, 5466786), (6, 3644524), (8, 2733393), (12, 1822262), (13, 1682088), (24, 911131), (26, 841044), (39, 560696), (52, 420522), (78, 280348), (104, 210261), (109, 200616), (156, 140174), (218, 100308), (312, 70087), (327, 66872), (436, 50154), (643, 34008), (654, 33436), (872, 25077), (1286, 17004), (1308, 16718), (1417, 15432), (1929, 11336), (2572, 8502), (2616, 8359), (2834, 7716), (3858, 5668), (4251, 5144)]