21635528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3847}}^1$

素因数の和:3909

約数の個数: 32

約数和(自身を含む): 43867200

約数和(自身を除く): 22231672

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3847, 5624, 7694, 15388, 30776, 73093, 142339, 146186, 284678, 292372, 569356, 584744, 1138712, 2704441, 5408882, 10817764, 21635528]

約数ペア:

[(1, 21635528), (2, 10817764), (4, 5408882), (8, 2704441), (19, 1138712), (37, 584744), (38, 569356), (74, 292372), (76, 284678), (148, 146186), (152, 142339), (296, 73093), (703, 30776), (1406, 15388), (2812, 7694), (3847, 5624)]