21609168

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:972

約数の個数: 80

約数和(自身を含む): 64745856

約数和(自身を除く): 43136688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 73, 84, 112, 146, 168, 219, 292, 336, 438, 511, 584, 876, 881, 1022, 1168, 1533, 1752, 1762, 2044, 2643, 3066, 3504, 3524, 4088, 5286, 6132, 6167, 7048, 8176, 10572, 12264, 12334, 14096, 18501, 21144, 24528, 24668, 37002, 42288, 49336, 64313, 74004, 98672, 128626, 148008, 192939, 257252, 296016, 385878, 450191, 514504, 771756, 900382, 1029008, 1350573, 1543512, 1800764, 2701146, 3087024, 3601528, 5402292, 7203056, 10804584, 21609168]

約数ペア:

[(1, 21609168), (2, 10804584), (3, 7203056), (4, 5402292), (6, 3601528), (7, 3087024), (8, 2701146), (12, 1800764), (14, 1543512), (16, 1350573), (21, 1029008), (24, 900382), (28, 771756), (42, 514504), (48, 450191), (56, 385878), (73, 296016), (84, 257252), (112, 192939), (146, 148008), (168, 128626), (219, 98672), (292, 74004), (336, 64313), (438, 49336), (511, 42288), (584, 37002), (876, 24668), (881, 24528), (1022, 21144), (1168, 18501), (1533, 14096), (1752, 12334), (1762, 12264), (2044, 10572), (2643, 8176), (3066, 7048), (3504, 6167), (3524, 6132), (4088, 5286)]