21273168

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63313}}^1$

素因数の和:63331

約数の個数: 40

約数和(自身を含む): 62807488

約数和(自身を除く): 41534320

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63313, 126626, 189939, 253252, 379878, 443191, 506504, 759756, 886382, 1013008, 1329573, 1519512, 1772764, 2659146, 3039024, 3545528, 5318292, 7091056, 10636584, 21273168]

約数ペア:

[(1, 21273168), (2, 10636584), (3, 7091056), (4, 5318292), (6, 3545528), (7, 3039024), (8, 2659146), (12, 1772764), (14, 1519512), (16, 1329573), (21, 1013008), (24, 886382), (28, 759756), (42, 506504), (48, 443191), (56, 379878), (84, 253252), (112, 189939), (168, 126626), (336, 63313)]